The Recovery Of Babylonian Astronomy by Gary D. Thompson
Copyright © 2009-2014 by Gary D. Thompson
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The Recovery of Babylonian Astronomy
Strassmaier, Epping, Kugler, and Schaumberger: A History and Legacy of Their Co-operative Pioneering Effort to Recover Babylonian Astronomy
by Gary D. Thompson
(5) Joseph Epping
Part 6: Joseph Epping
Joseph Epping S.J. (life dates: 1835-1894) was a German mathematician, astronomer, and assyriologist. He is acknowledged as the founder of the study of cuneiform mathematical astronomical texts. Ascertaining correct dates for episodes in his life is difficult; the various sources are sometimes contradictory.
Epping was born at Neuenkirchen (Scheswig-Holstein), near Rheine in Westphalia (01.12.1835) (one source identifies district of Steinfurt) and died on the evening of August 22nd (aged 59 years) at the Jesuit College at Exaeten Castle, Holland (22.08.1894). (At least one modern writer mistakenly writes that Epping died in 1891.) Epping died early aged 59.
His parents are described as being wealthy burghers (prosperous and respected middle class towns people). (In medieval Europe the term 'burgher' meant the mercantile class.) However, one source has "E., Sohn eines Glasers." Glasers is a German occupational name for a glassblower/glass cutter/glazier. Both his parents died while he was very young and his early education was due to the fostering care of relations. Epping completing the gymnasium course at Rheine and at Münster and he matriculated at the academy in Münster, where he particularly studied mathematics. Epping was not reliant upon the 'Company of Jesus' (Jesuit Order) for mathematical training.
After becoming acquainted with the Jesuits and during Easter (April 14) 1859 he entered the Order of Münster, as a Novitiat(/Novitiate). This was the Jesuit novitiate at Friedrichsburg near Munster in Westphalia. It is indicated Epping formally joined the Jesuits (i.e., took his vows) before the end of his studies in philosophy (and mathematics) at Friedrichsburg. (The novitiate is the period of training and preparation that a novice (or prospective) member of a religious institute undergoes prior to taking vows.) After completion of his Novitiat(/Novitiate) and 3 years of scholastic philosophy, his recognized talent for mathematics saw him posted, in 1863, to the College of Maria Laach as Professor of Mathematics and Astronomy (teaching the younger members of the Jesuit Order). He taught mathematics (and astronomy?) for 2 years at the College of Maria-Laach, provincial Rhineland. Then, from Fall 1867 to Fall 1871, he completed 4 years of scholastic theology.
Epping rebelled against the strictness of his higher education by deciding to walk to France, but, due to lack of required papers, was not able to cross the border into France. He then walked to Bremen hoping to gain passage (working or otherwise) on a ship to America. After missing an opportunity to gain passage on a ship, and having no further money, he placed himself in the hands of the police, who returned him to the care of his relatives in Münster. His romantic dreams of freedom and adventure were replaced by resumption of studies, and greater appreciation of the care shown to him by his relatives. His schooling was completed with his studies (mainly mathematics) at the Academy of Münster.
Eppings father Joseph was a glaser/gläser (= spectacle-maker or glass maker/blower?) and his mother Elisabeth (1809-1835) was the daughter of a labourer/hireling. (The very young Epping was obviously named after his father.)
Epping's Jesuit training
On 14 April 1859 Epping entered the novitiate of the Society of Jesus in Münster (North Rhine-Westphalia). Dates and details of his other Jesuit training vary and become contradictory. According to a recent source, after completing his Novitiate (2 years?) he studied philosophy for 2? years (1861-1863) in Aachen (which had a Jesuit College and residence), and then taught mathematics to the Jesuit scholastics at Maria-Laach (1864?-1865?), where he also completed the 3rd year of philosophy (1866-1867) and then 4 years of theology (1867-1871). According to an earlier source, in 1863, after completing his philosophical studies, he was appointed Professor of Mathematics and Astronomy at Maria-Laach (Rhineland-Palatinate). From 1863 to 1867 he taught mathematics and astronomy there. From 1867 to 1871 he then continued with his Jesuit training, studying theology. It is established that he was ordained a priest on July 15, 1870. I presently do not understand the Spanish abbreviations sufficiently to make sense of: "ú.v. February 2, 1878, Blijenbeek (Limburg)." within the context of other established dates. It likely means this was the date he was sent to Blijenbeek or was appointed Professor of Mathematics and Astronomy there. It was probably not until 1881 that he was transferred/moved to Exaeten.
The completion of the end ofthe third probation (?) or tertiate (tertianship) comprising 1 year (1871-1872) at Paderborn (North Rhine-Westphalia) coincided with the beginning of the Kulturkampf. The Jesuit Order was expelled from Germany (1872), and Epping - who had barely completed the third probation (?) or tertiate (tertianship) - was sent to Quito. (Most sources state he volunteered.) He perhaps went to the Jesuit grammar school Gymnasium Theodorianum for his tertiate. It is unlikely he went to the Jesuit College at Bürden near Paderborn.
Epping's time in Quito, Eucador
President José Urbina had expelled the Jesuits from Ecuador in 1852. This ended the period when learned Jesuits scholars had come from Italy and France to teach in the Universities of San Gregorio and the Colegio Seminario de San Luis. Ten years later the Catholic President, As pert of a nation-building plan that sought to modernise the country Gabriel Moreno, allowed the Jesuits to return, and gave them back their ancient church and college. In gratitude, the Jesuits renamed the college "St. Gabriel."
When Garcia Moreno, President of Ecuador, petitioned the General of the Jesuits in the early 1870's for members of the Society to form the faculty (i.e., take charge) of the Polytechnicum at Quito, which he had recently founded, Epping was among a number of German Jesuits who responded to the request (= were sent by the Jesuit Order?). (According to one source the Jesuits called upon were former professors and students of Maria-Laach. One source incorrectly states a group of 6 young German Jesuits came from Valkenburg.) The Jesuit group that went to Quito to lecture comprised different disciplines of science. Included were the natural historians Theodor Wolf and Christian Bötzges (zoologist?), chemist and physicist Ludwig Dressel, the mathematician Joseph Epping, and Alberto Claessen (came 1873), the physicist Emil Mülldorf, and Joseph Kolberg mathematics, physics and chemistry. (There were some Jesuits already in Quito. Also, the mathematician Armando Wenzel came in 1872. In 1873 came mathematicians Eduardo Brugier and Alberto Claessen, and chemist Luis Heiss.)
Note: Likely there was a formal and signed contractual arrangement between the Jesuit Order and President Moreno.
In June 1872 Epping went with the Jesuit mission to Ecuador and was appointed Professor of Mathematics (Matemáticas Superiores = Higher Mathematics) at the newly formed Escuela Politécnica Nacional (National Polytechnic School) (established/converted in 1869 from the former Central University of Quito). (Also referred to as Escuela Politécnica de Quito. (Polytechnic School of Quito).) According to one source, Epping left Europe for Quito in June 1872 and arrived in Quito at the end of July. On arriving in Quito he then worked hard to acquire a solid knowledge of Spanish. He quickly learned Spanish and wrote a Spanish-language textbook of geometry. As well as writing a text-book on Geometry he assisted a colleague (Daniel Quijano) to write a Spanish-language Algebra book (published 1874). Epping began teaching at the National Polytechnic School on 1st October 1872. He taught mathematics there until 1876. Epping first wrote two text books of geometry (1873 and 1876) in Spanish whilst in Eucador. The text-books are highly thought of. (See: "The Rôle of Catholic Culture in Ecuador." by Richard Pattee (The Catholic Historical Review, Volume 25, Number 4, January, 1940, Pages 434-458).) He also took an active part in all the scientific work of the Jesuits in Quito (likely including astronomy at the observatory).
García Moreno had visited the Ecole Polytechnique in Paris and wanted a similar institution for Ecuador. The Polytechnic was the favourite creation of President Moreno and he endowed it generously. It quickly established both reputation and respect. In short order Moreno's efforts assembled the finest school of exact sciences in Latin America. European books, equipment, and teaching aids were steadily introduced. The Jesuit staff at the Polytechnic were also used by President Moreno as advisors for public works and social planning. Sometimes during holidays and schools vacations scientific excursions were conducted regarding the geology of the volcanic-rich country, and also the flora and fauna, and also ethnological studies of the people and their culture. Wild-life, such as monkeys, was also shot. From these various multi-faceted excursions collections were created.
In 1872 Moreno decided to also create an astronomical observatory and asked Johann Menten (1838-1900) one of the German Jesuits teaching science at the Polytechnical School (and Director of the Meteorological Observatory from 1870) to take change of the project. The newly built Quito astronomical observatory (founded 1873, finished in 1878 (but according to one source finished in 1875) and completely restored in 2009) enabled Epping to increase his knowledge of astronomy, both theoretically and practically. The observatory building brought together under one roof the professor of different subjects for lively discussions. Almost all were old acquaintances and friends from Epping’s time at Maria Laach.
Following the murder of President Moreno, and his patronage now gone, Epping, and other Jesuits returned to Europe in the Autumn of 1876. (This also included Luis Dressel who went to Exaeten, and Joseph Kolberg who went to England and then Exaeten.) The political disturbances that followed the assassination of Moreno on August 6, 1875, made it necessary for the Jesuits to return to Europe. There were protests against the Jesuit presence in Ecuador. (On Good Friday (March 30, 1877, the Archbishop José Ignacio Checa y Barba (Archbishop of Quito since 1868) was lethally poisoned in the Cathedral.) After the death of Moreno the new government stopped all government support to the Jesuits in Quito, and began arbitrary interference. A series of anticlerical measures were implemented.
The Polytechnic had - in rather short time - organised the finest school of exact sciences in Latin America - but it lasted only some 4 years before its demise.
See: La primera escuela politécnica del Ecuador: estudio histórico e interpretación by Francisco Miranda Ribadeneira SJ (1972). Also, Church and State in Ecuador by César Bustes-Videla (1966, Dissertation).
Note: The details change somewhat with the sources. The National Polytechnic School was founded on August 27, 1869, by a decree issued by the National convention of Ecuador. This was on the initiative of Catholic President Gabriel Moreno, who wanted to have a high level of training and research for professionals in engineering and science. The Polytechnic was formed exclusively for training technology teachers, civil engineers, architects, machinists, mining engineers, and science teachers. The founding professors - 2 German Jesuits (John Menten and Theodor Wolf) and 1 Italian Jesuit (Luis Sodiro) - arrived in Ecuador in August 1870, and classes began October 3, 1870 (with 20 students enrolled for courses in mathematics and physics, and 8 enrolled for the natural sciences). On July 18, 1871, more teachers arrived (Luis Dressel, Joseph Kolberg, Emilio Müllendorf, and Joseph Honshteter (and Luis Heiss?)). Sevill Pérez (see below) includes Joseph Epping in this arrival to make 7 teachers. However, most sources have Joseph Epping - and 2 others (Armando Wenzel, Christian Boetzkes) - arriving in late 1872. It seems that for some reason Sevill Pérez has missed the date 1872. Note: The sources deemed most reliable have Epping arriving in July 1872 and starting teaching on 1st October 1872. (Sources vary regarding the starting date for classes/teaching. Most state the Escuela Politécnico opened for taking classes on October 1, 1872, under Jesuit leadership. ) Other Jesuits arrived in 1873 (Edward Brugier, Albert Clässen). Also hired in 1873 were James Elbert, Nicolas Grünewalt, and Charles Honshteter). The Jesuit Clement Faller came in 1874. On September 15, 1876, the National Polytechnic School was closed by President Antonio Borrero for political reasons. It had been the best school of sciences throughout Latin America. The school was reopened in 1935.
|Name||Year Arrived Ecuador||Jesuit Or No||Year Left Ecuador||Background and Role||Achievements in Ecuador|
|Johann Menten||1870 (August)||German Jesuit||(Founding professor) Professor of Astronomy and Geodesy|
|Theodor Wolf||1870 (August)||German Jesuit||(Founding professor) Professor of Geology and Geognosy||Wrote the Geography and Geology of Ecuador, and founded the Mineralogical Museum|
|Luis Sodiro||1870 (August)||Italian Jesuit, born in Venice in 1836||Left Jesuit Order and remained in Ecuador||(Founding professor) Professor of Botany and Agronomy||Founded the Botanical Garden and Museum|
|Luis Dressel||1871||Jesuit||Likely 1876||Professor of Chemistry|
|Joseph Kolberg||1871||Jesuit||1876||Professor of Mathematics (Engineering Mathematics)|
|Emilio Müllendorf||1871||Jesuit||Professor of Descriptive Machinery|
|Joseph Honshteter||1871||Lay expert||Animal curator for the school's Zoological Museum||Founded the Zoology Museum (Also identified as Charles Honshteter)|
|Luis Heiss||1871||Professor of Chemistry|
|Joseph Epping||1872||German Jesuit||1876||Professor of Mathematics|
|Armando Wenzel||1872||Jesuit||Professor of Mathematics, Physics, and Languages|
|Christian Bötzkes/Boetzkes||1872||Jesuit||Professor of Zoology|
|Guillermo Jaeger||1872?||Professor of Mechanical Engineering?|
|Daniel Quijano/Quijardo||1872?||Jesuit||Assistant Professor of Zoology?|
|Edward Brugier||1873||French Jesuit||Professor of Mathematics|
|Albert Clässen||1873||Professor of Mathematics|
|Jacob Elbert/Elbart||1873||Jesuit||Professor of Architecture and Drawing|
|Nicolas Grünewald/t||1873||Professor of Civil Engineering|
|Charles Honshteter||1873||Lay expert||Animal curator for the school's Zoological Museum||Founded the Zoology Museum (Also identified as Joseph Honshteter)|
|Clement Faller||1874||Dean of the school from 1874 to 1876||Responsible for the construction and installation of the Quito Astronomical Observatory|
There were 19 professors on the faculty - only 18 are identified above. Note the confusion in the sources with Honshteter (variously identified as Joseph and Charles, and variously identified as arriving 1871 and 1873).
The party of Jesuits that came to Quito in 1871 may have met up with, and travelled to Ecuador with, members of the Canadian Sisters of the Religious Order of the Good Shepherd. In 1869 President Moreno had asked for members of this Religious Order to come to Ecuador "to meet the urgent need for the rehabilitation and preservation of women from moral danger." The first 6 missionaries from Religious Order (plus 2 young lady-volunteers (also from Montreal?)) to come to Ecuador left Montreal on May 1, 1871, and they stayed in New York until May 30. They then embarked by ship to Ecuador. In Panama they met up with Archbishop José Ignacio Checa y Barba and several Jesuits, who were also journeying to Quito. The recorded route of the missionaries from the Religious Order of the Good Shepherd was: From Panama by ship to Guayaquil, then following the route to Babahoyo (and ascending the Sierra on mule-back), passing the foothills of Mount Chimborazo, arriving at Latacunga on July 1, and on July 3 taking a coach bound for Quito. They arrived in Quito on July 4 and were welcomed by the Jesuits and the Sisters of Charity.
Comparing this with the information to be found in the book, Nach Ecuador (1897) by Joseph Kolberg we have close similarities. From Panama by (steam?) ship to Guayaquil, then to Babahoyo, then up into the central highlands of the Andes Mountains and passing (through a small market town ?) near the foothills of Mount Chimborazo, then through Riobamba, then through Latacunga, and then arriving at Quito. It is difficult not to believe that Kolberg, Dressel, Müllendorf, Honshteter, and Heiss did not form part of the same as the sisters from the Religious Order of the Good Shepherd.
Source: "The Return of the Jesuits to Postcolonial America" by Sevill Pérez (2011, Page 15). Note: The arrival date of Epping is unspecified and unclear here.
Epping's passage to Quito
As yet I have not been able to identify Epping's route of travel to Quito with certainty. Obviously the crossing of the Atlantic Ocean was accomplished by ship. The Cunard Line, established in 1840, was the first shipping line to use steamships for ocean travel. The 4 small steamships it commissioned in 1840-1841 each had space for only 155 passengers. The Cunard Line was also the first to introduce a constant, reliable trans ocean service on a fixed departure/arrival schedule. Because of its methods of training and operation the Cunard Line also established an unmatched reputation for safety. Passenger steamships, specialising in steerage passengers were only introduced to cater for the emigration movement to the USA (beginning circa 1870). (Founded in 1840 as the British and North American Royal Mail Steam Packet Company, the name was changed to the Cunard Steamship Company, Limited, in 1878 but that name was soon shortened to simply the Cunard Line.) The Royal Mail Steam Packet Company received the mail contract for the West Indies and commenced operating in 1841. A West Indies inter-island service was also operated. In 1850 services expanded to South America. Several short lived routes were operated. R.M.S.P. steamships (Steamers) providing the West Indian and New York Service left Southampton fortnightly. The steamers/steamships on this (West Indies) route sailed out of Southampton on the 2nd and 17th of each month.
It seems certain that Epping voyaged across the Atlantic Ocean on a passenger steamship (likely directly to South America). The information is to be found in the book, Nach Ecuador (1897) by Joseph Kolberg in which he told of his travel to Ecuador (Quito). Kolberg identified the ship he voyaged on as the R.M.S.P. Shannon. (It was not an iron screw steamship but a wooden paddle steamer.) (Some information about the ship varies. The R.M.S.P. Shannon, was built on the Thames River in 1826?/1859?, was wrecked near Colón in 1875. It was 513 tons burthen, with the basic dimensions 55 metres length and 15 metres breadth width. Burthen = builder's old measurement - the method used in England from approximately 1650 to 1849 (until the advent of steam propulsion) for calculating the cargo capacity of a ship.) Places visited on the voyage by Kolberg to Panama were St. Thomas Island, Haiti, and Jamaica. Doubtless, Epping voyaged in the same manner. The likely scenario is the voyage involved passage on a ship from Southampton to Aspinwell in the Isthmus of Panama, and then continuation to Ecuador (Quito). (Colón on the Atlantic coast was the connection for places on the western coast of South America. The Jesuits would have travelled from Colón to Panama on the trans-isthmus railway.) There was an established overland route from Panama to Ecuador. Also, there was a shipping route from Panama to Ecuador. Passenger ships sailed from Panama to Esmeraldis, a coastal city in northwestern Ecuador, situated on the Pacific Coast at the mouth of the Esmeraldis River. (It is now a major international seaport.) Candidates for the ship that Epping sailed on to reach Panama (and also return to Europe) are ships belonging to the Royal Mail Steam Packet Company. The company had a ship/ships scheduled to sail to Panama. An iron screw steamship seems likely. Possibilities are: R.M.S.P. Elbe (iron screw steamship); R.M.S.P. Shannon; R.M.S.P. Tasmanian (built 1858 by Clyde; compound engines were installed in 1871 to reduce coal expenditure); and the sister ships R.M.S.P. Moselle and R.M.S.P. Targus (both built by Elder in 1871). Another possibility is the Etruria. An 1876 sailing schedule for R.M.S.P. Moselle was: Southhampton, October 2; St. Thomas, October 16-17; Jacmel [Haiti], October 19; Jamaica, October, 20-21; and Colón [Panama], October 25. These destinations match those of Kolberg's 1871 voyage.
See: Mail and Passenger Steamships of the Nineteenth Century by Arthur Macpherson, Harry Parker, and Frank Bowen (1928).
When the Jesuits left Ecuador in 1876 they may have taken an Ecuadorian national ship to Panama. In 1853 when 32 Jesuit priests were compelled by the Ecuadorian government to leave the country they travelled on the Ecuadorian national Ship Hermosa Carmen to the port of Panama, and then travelled overland to the port of Aspinwell (as the Americans called it). Aspinwell (now called Colón, as the Spanish originally did) is a sea port on the Caribbean Sea coast of Panama. Aspinwall (now named Colón) began in 1850 as the starting point of a railroad on the Atlantic that was to carry people across the Isthmus of Panama. The city was founded by Americans in 1850 as the Atlantic terminus of the Panama Railroad, then under construction. For a number of years early in its history, the sizable United States émigré community called the town Aspinwall after Panama Railroad promoter William Aspinwall, while the city's Hispanic community called it Colon, in honor of Christopher Columbus. There was no overland railroad or stage coach system south to Quito from Panama. (A railroad and stage coach system existed within Quito and Guayaquil.) The Pacific Navigation Company founded by the American William Wheelwright (but subsidised by Britain and considered a British Institution) operated cargo/passenger ships from Panama southward down the west coast of South America. Though passage was expensive the ships had open decks and airey state rooms. The ships were contracted to call at multiple ports on the way south to Chile. The port town (now a city) of Guayaquil - the commercial metropolis of Ecuador - was 4 days sailing from Panama. The journey to Quito was made from Esmeraldis or Guayaquil (Esmeraldis being the closest to Quito).
Epping's return to Holland
When the Jesuits were forced to leave Eucador in 1876 (after the assassination of Moreno on August 6, 1875, by a small group of 'liberals.') Epping couldn't/didn't return to Germany because of the Jesuitengezetz of 1872 and in 1876 he went to Holland (first to Blijenbeck and then to Exaeten). Epping arrived in Holland in the fall of 1876. After 1876 he taught mathematics and astronomy at the seminars in Blijenbeck (Holland) and Exaeten (Holland). He spent the remaining years of his life at Blijenbeck, and later at Exaeten, as professor of astronomy and mathematics. In 1881 Epping was (probably) transferred/moved to Exaeten as part of the intention of the German Province of the Jesuit Order to gather together at Exaeten most of its Jesuits involved in writing. (Writers were gathered together at Exaeten by 1880.) Epping was included among the elite writers gathered at Exaeten.
Epping's leisure time from his teaching duties at Blyenbeek and Exaeten was occupied by research and the publication of articles on Babylonian astronomy, the writing of Der Kreislauf im Kosmos [The Cycle of the Cosmos] (published in 1882 when Epping was at Exaeten), and literary work. It seems indicated he found the European weather uncomfortable after his time in Quito.
Strassmaier, when in Holland 1880/1881 to work on his cuneiform syllabary (Alphabetisches Verzeichniss), remained at Blijenbeck.
Epping and his collaboration with Strassmaier
The first critical study of (late) Babylonian astronomy was undertaken by Strassmaier and Epping. The interpretation in 1889, by Epping and Strassmaier, of a collection of astronomical cuneiform tablets preserved in the British Museum clearly showed the methods of official Babylonian astronomy in the 2nd-century BCE. The tabular data sets devised by the Babylonians were perfectly effective for the purpose of preparing yearly ephemerides determining expected celestial events, and predicting the paths of the moon and planets.
It was on Strassmaier's initiative that Epping began the study of Strassmaier's transcriptions of astronomical texts. It is popularly believed that Strassmaier sent annotated copies of his drawings of astronomical texts to Epping, when Epping was based in Quito (Ecuador), and this led to further research. However, this belief is mistaken. Strassmaier only approached Epping after Epping's return from Ecuador. Strassmaier was then living at Blijenbeeck klooster (temporarily for several years) which is where Epping initially returned to from Eucador, before being transfered to Exaeten in 1881.
When the Jesuits were forced to leave Ecuador in 1876 Epping went to Blijenbeeck Castle, Holland (because of the continuing Jesuitengezetz in Germany). He met again with Johann Strassmaier (in 1880/1881) at Blijenbeck) when Strassmaier came to Blijenbeeck Castle in 1880/1881 to work on his cuneiform syllabary (Alphabetisches Verzeichniss). Strassmaier was a past colleague ('classmate') of Epping's from Maria Laach. Epping was requested by Strassmaier to assist in establishing the nature of the astronomical content of numerous late astronomical cuneiform tablets. Epping agreed to take up the study of such - which involved numerous laborious calculations. In September 1881 they described the nature of the problems they faced in a joint article in the Jesuit journal Stimmen aus Maria Laach.
In their shared effort Epping contributed mathematics and astronomy, and Strassmaier contributed philology and paleography. Strassmaier made copies of tablets (drawings) and the astronomical interpretation was largely the work of Epping. For Epping the work largely involved a series of long and complicated calculations.
The collaboration between Epping and Strassmaier continued to remain in place even after Strassmaier (permanently) returned to London in 1884. Strassmaier and Epping remained in continuous contact with exchanges of data, translations, and improvement of results.
The first major breakthrough in understanding Babylonian scientific astronomy was achieved by Epping and Strassmaier. Many of the cuneiform tablets thought by Strassmaier to contain astronomical information consisted largely of recorded numbers, month names, and technical terms unknown to him. The first decipherment of an astronomical cuneiform text was published by them in 1881. Once Strassmaier had secured the collaborative assistance of Epping he made copies of texts he deemed astronomical and provided these to Epping for advice. After only a few years Epping, through some brilliant work, came to understand much of the basic structure and terminology of late Babylonian scientific astronomy. (Another great breakthrough was Kugler's interpretation of the Venus tablets.) In his later small book, Astronomisches aus Babylon (1889) Epping was able to synchronize the Babylonian calendar with the Julian, so that we know that the last dated inscription of Cambyses is of the eleventh of March, 521 BCE. Also in Astronomisches aus Babylon Epping discussed what we now call normal-star almanacs for Seleucid Era 188, 189, and 201. Later, in 2 articles published in the journal Zeitschrift für Assyriologie und verwandte Gebiete, Epping discussed the Saros-Canon of the Babylonians, and worked out the calculations for the years 38 and 79 of the Seleucid Era.
Their work has been fundamental for understanding Babylonian astronomy and enabling more detailed studies. Epping published his findings alone or together with Strassmaier in Stimmen aus Maria-Laach, and Zeitschrift fur Assyriologie und verwandte Gebiete.
Epping and his assistance from Hontheim and Lorenz
Circa 1890 Epping was receiving decipherment assistance from Joseph Hontheim and Augustus Lorenz acting independently. Augustus Lorenz is briefly discussed by Epping in Stimmen aus Maria-Laach, Band 39, Heft 3, 1890, Pages 225 and 237. At that time Augustus Lorenz was a Parish Administrator (Pfarradministrator), Rector at a branch church in Groß-Leubusch (= the district of Greater Laubusch?). He sent Epping detailed and insightful comments to Epping on his book Astronomisches aus Babylon, and also an article (about the ephemerides table for the moon). Lorenz helped provide a method for understanding table columns C1 and C2 (as apparently did Hontheim). (The following may be relevant genealogical information for Augustus Lorenz: Born: 23.01.1845; Christened: 26.01.1845, Sankt Maria Katholisch, Landau in Pfalz Stadt, Pfalz, Bavaria; Father: Ferdinandi Lorenz; Mother: Catharinae Buehi. Augustus Lorenz is indicated as being a scholar (of Latin texts?).) At this period the name Aug./August/Augustus Lorenz can be applied to several persons. Augustus Lorenz is not to be confused with August Lorenz. August Otto Friedrich Lorenz (born 1836), was educated in Copenhagen and ultimately became a school-master in Berlin, edited the Mosiellaria, Miles Gloriosus, and Pseudohis (1866-76) by the great Roman poet and comic playwright Titus Maccius Plautus (254 BCE-184 BCE), and wrote many papers and reviews on the subject of Plautus. The following sources all appear to refer to August Lorenz and should not be confused with Augustus Lorenz: Rivista di filologia e di istruzione classica, Volume 17, 1889, Page 434; Corpus scriptorum ecclesiasticorum latinorum, 1896, Page x; Sancti Avreli Avgvstini Confessionvm libri tredecim, Volume 39, 1896, Pages v and x; and Commentatio de vidularia Plautina by Wilhelm Studemund, 1890, Page 14. See: Forschungen und Quellen zur Kirchen- und Kulturgeschichte Ostdeutschlands, Volume 6, 1969, Institut für Ostdeutsche Kirchen- und Kulturgeschichte (Bonn), Böhlau Verlag
First decipherment of an astronomical cuneiform text
The first decipherment of an astronomical cuneiform text was made by Epping in 1881 in collaboration with Strassmaier.
This work was based partly on existing translations of non-astronomical texts made in the mid 19th-century and partly as the result of numerous lunar and planetary calculations made by Epping. As a result, Epping was able to investigate Babylonian methods of predicting lunar phenomena and he correctly identified the names of the planets, the names of the zodiacal constellations, and the meaning of various Babylonian astronomical terms.
The nature of many of the cuneiform texts deciphered by Epping
Among the texts considered by Epping and Strassmaier, many consisted of nothing more than columns of numbers following recurring sequences between fixed limits.
Epping's teaching duties were reduced to allow him to concentrate on writing and research. In 1881 the key to the understanding of Babylonian mathematical astronomy was found by Epping. in British Museum cuneiform tablets which had been identified as astronomical by Strassmaier.
The first decipherment of an astronomical cuneiform text was made by Epping in 1881 in collaboration with Strassmaier. The work was based partly on employing existing translations of non-astronomical texts made in the mid 19th-century and partly as the result of Epping making numerous lunar and planetary calculations. The result was successful and Epping was swiftly and brilliantly able to investigate Babylonian methods of predicting lunar phenomena and he correctly identified the names of the planets and zodiacal constellations as well as the meaning of various Babylonian astronomical terms.
When the decipherment proved to be successful Strassmaier excerpted, from his notebooks, astronomical texts on special sheets, often adding explanatory remarks (and transliterations?). These sheets were then sent to Epping for final investigation. After Epping's death the process was continued for Kugler.
Epping's first paper in Holland was published in 1881 in a short joint paper with Strassmaier, and his first book in Holland was published in 1882. (J. Epping & J. N. Strassmaier (1881), "Zur Entzifferung der astronomischen Tafeln der Chaldaer." ("On the deciphering of Chaldaean astronomical tables."), in: Stimmen aus Maria Laach, Volume 21, 1881, Pages 277–292. Epping's first published book, the slim volume, Der Kreislauf im Kosmos, appeared in 1882. It was an exposition and critique of the Kant-Laplace nebular hypothesis and a refutation of the pantheistic and materialistic conclusions which had been drawn from it.) This first paper on Babylonian astronomy by Epping and Strassmaier appeared in 1881 whilst Epping was still at Blijenbeck? Otto Neugebauer described the 1881 paper by Epping and Strassmaier as "a masterpiece of a systematic analysis of numerical data of unknown significance." In 1881 Epping (and Strassmaier) succeeded in understanding the concluding columns of a lunar ephemeris (BM 34033) Epping (and Strassmaier) also correctly identified the names of the planets, the names of the zodiacal constellations, month names, and the meanings of many astronomical terms. (Epping identified Guttu with Mars, Sakku with Saturn, and Te-ut with Jupiter.) The end results of studying further texts were presented in 1889 in book form in the small book Astronomisches aus Babylon (which also had Strassmaier's name). This contained the first detailed results of their efforts. It was published as supplement number 44 to the Catholic general science journal Stimmen aus Maria Laach). The title of the publication was Astronomisches aus Babylon [Astronomy from Babylon] (1889, in collaboration with Johann Strassmaier).
Epping, with the help of copies of Babylonian lunar calculations, etc., made by Strassmaier,
was able to discuss the Saros-Canon of the Babylonians, and work out the
calculations for the years 38 and 79 of the Seleucid Era. See:
J. Epping and J.N. Strassmaier,
The monumental investigations of Babylonian astronomy by Franz Kugler was based on the initial investigations by Epping and Strassmaier.
Astronomisches aus Babylon
The small book comprising 190 pages, Astronomisches aus Babylon (1889), was the result of years of deciphering and calculation, and attempted solutions for the data presented in the cuneiform tablets. Systematically set out in the book are: the names of the months, the words for time divisions (e.g., the division of the day into 6 periods), the names of the planets, zodiacal signs (Die Zeichen des Thierkreises (the signs of the zodiac ), pages 170-171) [The signs of the zodiac were also dealt with by Peter Jensen in his book, Die Kosmologie der Babylonier [The Cosmology of the Babylonians] (1890).], orientation, and the names of 6 stars (Die Namen der Sterne (the names of the stars), pages 174-175), all with the cuneiform ideogram, transliteration, and translation. Also, the drawings of Kudurrus with possible astronomical meanings. Included in Astronomisches aus Babylon was the transcription and comments of BM 35516, a Babylonian horoscope found during the excavations in Babylon and dated to 142 BCE. It was the first Babylonian horoscope to be studied. Calculations by hand, involving hours and days for each aspect, involved: (1) ephemerides (pages 68-80), (2) solar and lunar eclipses (pages 103-108), the conjunctions of the moon with stars, and planetary conjunctions with stars (pages 114-134), the oppositions and stations of planets, and their heliacal rising and setting (pages 140-148). The calculations for the ephemerides table for the moon involved establishing the dates (Seleucid Ere and corresponding Julian calendar dates) SE 189 (122/-121), SE 188 (-123/-122), and SE 201 (-110/-109).
The 12 abbreviated names of the zodiacal signs, appearing in the tablets examined, are discussed in considerable detail.
Nature, Volume 43, 19 February 1891, Pages 369-373, Babylonian Astronomy and Chronology. Abstract: "BABYLONIAN astronomy has been investigated during the last year successfully by the Rev. Joseph Epping and the Rev. J. N. Strassmaier, S.J., who have explained and annotated two Babylonian calendars of the years 123 B.C. and 111 B.C. in their publication "Astronomisches aus Babylon oder das Wissen der Chaldæer über den gestirnten Himmel" (Freiburg, Herder, 1889). They have succeeded in giving a satisfactory account of the Babylonian calculation of the new and full moon, and have for the first time identified by calculations the Babylonian names of the planets, and of the 12 zodiacal signs and twenty-eight normal stars which correspond to some extent to the 28 nakshatras of the Hindoos. In the following passages, translated from their book, we give the general results they have obtained, but for many interesting details we must refer the reader to the work itself."
Monthly Notices of the Royal Astronomical Society, Volume 52, 1891: "It was in the year 1881 that Fathers Strassmaier and Epping first began their joint labours on this almost unknown branch of science, Father Strassmaier deciphering the Assyrian texts, and his colleague submitting them to mathematical analysis, thereby suggesting new readings and the meanings of unknown words. The result has been that they have established in great measure the system of the astronomy of the Babylonians, and not merely the translation of a few odd texts. The work so far accomplished--and it is still progressing--embraces the thorough understanding of their method of calculating and predicting the new Moon, the establishing of the dates of the era of the Seleucidte in Julian style, the explanation of their lunar and planetary calendars, and the mode of prediction used therein, as also the publication of several lunar and planetary tables of observation: one of the lunar eclipses thus brought to light being, as Dr. Oppert has pointed out, one of the nine used by Ptolemy in the Almagest. The papers published by Fathers Strassmaier and Epping have appeared in the Stimrnen aus Maria Laach, since 1881; as also in the Zeitschrift für Assyriologie und verwandte Gebiete."
Epping and Babylonian lunar theory
Amongst other things Joseph Epping identified an ephemeris of positions of the Moon. The so-called cuneiform "lunar ephemerides" and "planetary ephemerides" date predominately to the Hellenistic period. They were first studied by Epping. Later, Franz Kugler (DBM, 1900) examined a large number of Ephemerides of the Moon.
Epping as author
Epping's first published volume (approximately 100 pages), Der Kreislauf im Kosmos, appeared in 1882. In the book, Epping challenges atheistic naturalism. The slim book contains an informed discussion of the Kant - Laplace hypothesis, and a detailed criticism of its materialistic and pantheistic conclusions. Employing scholastic philosophy and dialectic Epping defends the concept of a supernatural universe. The 1914 Catholic Encyclopedia entry states: "It was an exposition and critique of the Kant-Laplace nebular hypothesis and a refutation of the pantheistic and materialistic conclusions which had been drawn from it." (Oddly, Epping's small book, Der Kreislauf im Kosmos was listed in Zeitschrift für Parapsychologie, 1883, Page 584.) Epping's most important work was begun in collaboration with the pioneering assyriologist Johann Strassmaier who, in connection with his own studies in Assyriology, had persuaded him to undertake a mathematical investigation of the Babylonian astronomical observations and tables. Circa 1881, after a brief period of a few years involving considerable effort Epping's efforts at decipherment were successful. These initial successes were published by Epping and Strassmaier in Stimmen aus Maria-Laach, Volume XXI, 1881, Pages 277-292. Eight years later he published Astronomisches aus Babylon oder das Wissen der Chaldäer über den gestirnten Himmel (1889). This small book of approximately 190 pages was important both from the standpoint of astronomy and chronology. It contained an exposition of aspects of late Babylonian astronomy, worked out from Strassmaier's copies of Ephemerides of the moon and the planets. This was later supplemented by the article "Die babylonische Berechnung des Neumondes" (Stimmen aus Maria-Laach, Volume XXXIX, 1890, Pages 225-240. He was also the author of a number of other articles in the journal Zeitschrift für Assyriologie und verwandte Gebiete.
Epping and the Philosophia Lacensis library
The Philosophia Lacensis library - a collection of learned Jesuit books - was begun at Maria-Laach by Tilmann Pesch and other Jesuits (and continued at Exaeten?). The different branches of philosophy covered included logic, cosmology, psychology, theodicy, and natural law. All volumes were published at Freiburg, 1880-1900. Jesuit authors of books comprising the Philosophia Lacensis included Pesch, Cathrein, Boedder, Meyer, Epping, Dressel, and Gruber. All were considered - at least in Jesuit circles - authorities in various departments of philosophy. Epping contributed Der Kreislauf im Kosmos (1882); a critique of materialism. The content of the Philosophia Lacensis volumes comprised the revival of scholastic philosophy in the 19th-century. The books comprising the Philosophia Lacensis were decidedly scholastic in their method, including Epping's slim volume.
The "Stimmen aus Maria Laach" (Voices from Maria Laach") appeared from 1865, firstly as individual pamphlets defending against liberalism within the Roman Catholic Church, and from 1871 as a regular wide-ranging periodical. After Maria Laach the elite Jesuit writers were later gathered at Exaeten. Included were Dressel, Epping, Langhurst, Baumgartner, Dreves, Cathrein, Lehmkuhl, Pesch, Spillmann, Wasmann, Meyer, Hœnsbrœch, Beissel and Gruber.
Epping as a lecturer on astronomy
Count von Hœnsbrœch, in his critique, Fourteen Years a Jesuit (Volume II, 1911, Page 248) wrote: "When I studied philosophy at Blyenbeck, "lectures" delivered by the Jesuit Epping on astronomy were anything rather than scientific. We laughed a good deal, slept not a little (the lessons were early in the afternoon), and profited accordingly." Hœnsbrœch does not mention was becoming quite ill at this time. Also, Epping was expert at mathematics and calculations involving positional astronomy. The value of this to Jesuit students at Blyenbeck was undoubtedly limited.
He is described as small and stocky of stature. His legs are described as somewhat short, his eyes as small, and his nose as upturned. His blonde hair was all lost with aging.
After Epping returned to the Netherlands from Ecuador he became ill (suffered a protracted illness) and also became deaf. His degree of deafness is now not likely to be established. The effect of this early ill-health issue was persistent lack of energy to pursue his cooperation with Strassmaier.
Epping then suffered greatly from ill-health (a severe skin disorder?) during the last years of his life. The 1914 Catholic Encyclopedia entry states: "He was none the less a man of untiring activity and combined geniality and a keen sense of humor with a deep and simple piety." One source has mentioned Epping's illness as a severe and painful skin disorder. It is perhaps possible he contracted skin diphtheria - a highly contagious bacterial disease not uncommon in Europe at this time - which can cause redness, sores, and ulcers. Franz Kugler may have suffered similarly. Diphtheria is caused by toxin-producing strains of the gram-positive bacillus Corynebacterium diphtheriae. There are four biotypes of the bacterium (gravis, mitis, intermedius, and belfanti), and each differs in the severity of disease it produces. Nontoxigenic strains are usually responsible for less severe cutaneous diphtheria. Apart from suffering from a progressively worsening skin rash, in 1891/1892 he suffered a lung infection which degenerated into consumption. Diphtheria can affect the lungs (respiratory diphtheria) causing severe damage.
Epping's cooperation with Strassmaier continued despite his several bouts of illness. Despite the increasing discomfort of his last illness Epping maintained a cheerful disposition and continued his investigation of Babylonian mathematical astronomy.
He is described as possessing a happy nature, and a popular person. He is described as being honest, genial, unpretentious, without any ambition, and always ready to help others. Within the Jesuit Order he was recognized as a sharp, clear thinker. The humorous and comical element of his personality was also recognized. As a scholar he was described as tireless. Also, he was serious regarding religious issues, deeply religious and pious, and exemplary in fulfilling his duties as a priest.
Giovanni Schiaparelli and Joseph Epping
Epping died (of an illness) in 1894. It appears, however, that Schiaparelli believed that Epping died in 1891. (?) See: Scritti sulla storia della astronomia antica by Giovanni Schiaparelli (3 Volumes, 1925; Volume 1, Page 48).
Reports of the progress and results
Cortie, Aloysius. (1892). "Babylonian Astronomy." The Month: A Catholic Magazine and Review, Volume 74, Pages 528-546.
[Cortie, Aloysius.] (1892). "Strassmaier and Epping's Researches on Babylonian Astronomy [I]." (Monthly Notices of the Royal Astronomical Society, Volume 52, Pages 298-301).
[Cortie, Aloysius.] (1893). "Strassmaier and Epping's Researches on Babylonian Astronomy [II]." (Monthly Notices of the Royal Astronomical Society, Volume 53, Pages 290-292).
Epping, Joseph [José]. (1873). Geometría Plana.
Epping, Joseph [José]. (1873). Tratado de Geometría Elemental.
Epping, Joseph [José]. (1874). Colaboración en la abra: Quijano, Daniel. Tratado de aritmética general. [Note: In the book Daniel Quijano pays tribute to the cooperation of Epping in the preparation of the book. The book is usually (and incorrectly) identified as being first published in 1878. In 1876 Daniel Quijano was a mathematics teacher at Colegio San Luis Gonzaga in Costa Rica.]
Epping, Joseph. (1881). "Zur Entzifferung der astronomischen Tafeln der Chaldäer." [= "The decipherment of the astronomical tablets of the Chaldeans."] (Stimmen aus Maria Laach, Band 21, Number 8, September, Pages 277–292). [Note: With an introduction by Johann Strassmaier. The modest article explained the difficulties experienced and their first results. The Stimmen aus Maria Laach was described by Otto Neugebauer as an obscure theological publication. Actually, it was a well-known and highly regarded Catholic publication dealing with a range of topics, including the sciences.]
Epping, Joseph. (1882). Der kreislauf im kosmos. (Egänzungshefte zu den "Stimmen aus Maria Laach" 18; Freiburg im Breisgau ; Louis, Mo. : Herder). [Note: Published when he was working at Exaeten. The 1914 Catholic Encyclopedia entry states: "It was an exposition and critique of the Kant-Laplace nebular hypothesis and a refutation of the pantheistic and materialistic conclusions which had been drawn from it."]
Epping, Joseph. (1886). "Die Meteorite und ihr kosmischer Ursprung. 1." (Stimmen aus Maria Laach: katholische Blätter, Band 30, Heft 2, Pages 159–167). [Note: "The cosmic origin of meteorites." Appears to be a continuation of themes in Der kreislauf im kosmos - the cosmology of Laplace and the origins of meteorites.]
Epping, Joseph. (1886). "Die Meteorite und ihr kosmischer Ursprung. 2: Schluß." (Stimmen aus Maria Laach: katholische Blätter, Band 30, Heft 3, Pages 304–313).
Epping, Joseph. (1889). "Aus einem Briefe des Herrn Professor J. Epping an J. N. Strassmaier." (Zeitschrift für Assyriologie und verwandte Gebiete, Band 4, Pages 76-82).
Epping, Joseph. and Strassmaier, Johann. (1889). Astronomisches aus Babylon, oder das Wissen der Chaldäer über den gestirnten Himmel. (Egänzungshefte zu den "Stimmen aus Maria Laach" 44; Freiburg im Breisgau). [Note: Nature, Volume 43, 19 February, 1891, Page(s) 369[-373]) Babylonian Astronomy and Chronology. Abstract: "Babylonian astronomy has been investigated during the last year successfully by the Rev. Joseph Epping and the Rev. J. N. Strassmaier, S.J., who have explained and annotated two Babylonian calendars of the years 123 B.C. and 111 B.C. in their publication "Astronomisches aus Babylon oder das Wissen der Chaldæer über den gestirnten Himmel" (Freiburg, Herder, 1889). They have succeeded in giving a satisfactory account of the Babylonian calculation of the new and full moon, and have for the first time identified by calculations the Babylonian names of the planets, and of the 12 zodiacal signs and twenty-eight normal stars which correspond to some extent to the 28 nakshatras of the Hindoos. In the following passages, translated from their book, we give the general results they have obtained, but for many interesting details we must refer the reader to the work itself." The published works of Epping and Strassmaier, which showed the sophisticated content of late Babylonian astronomy, gave impetus to the Panbabylonian school which uncritically projected it back to earlier periods. See the (French-language) book review by R[?]. Radau in Bulletin Astronomique, Serie 1, tome 6, Pages 434-436.]
Epping, Joseph. (1890). "Die babylonische Berechnung des Neumondes." [= "The Babylonian Calculation of the New Moon."] (Stimmen aus Maria-Laach, Band 39, Heft 3, September, Pages 225-240). [Note: Supplementing studies in Astronomisches aus Babylon.]
Epping, Joseph. (1890). "Sachliche Erklärung des Tablets No. 400 der Cambyses-Inschriften." (Zeitschrift für Assyriologie und verwandte Gebiete, Band 5, Pages 281-288).
Epping, Joseph, and Strassmaier, Johann. (1890). "Neue babylonische Planeten-Tafeln I." (Zeitschrift für Assyriologie und verwandte Gebiete, Band 5, Pages 341-366).
Epping, Joseph, and Strassmaier, Johann. (1891). "Neue babylonische Planeten-Tafeln II." (Zeitschrift für Assyriologie und verwandte Gebiete, Band 6, Pages 89-102).
Epping, Joseph. and Strassmaier, Johann. (1891). "Neue babylonische Planeten-Tafeln III." (Zeitschrift für Assyriologie und verwandte Gebiete, Band 6, Pages 217-244).
Epping, Joseph. and Strassmaier, Johann. (1892). "Babylonische Mondbeobachtungen aus den Jahren 38 und 79 der Seleuciden-Aera." (Zeitschrift für Assyriologie und verwandte Gebiete, Band 7, Pages 220-254).
Epping, Joseph. and Strassmaier, Johann. (1893). "Der Saros-Canon der Babylonier nach der Keilschrift-Tafel Sp. II, 71 des Britischen Museums, nebst dem entsprechenden babylonischen und julianischen Kalender vom Jahre 13 Artaxerxes’ II. bis zum Jahre 34 des Seleukos, d.i. von 392 bis 278 v.Chr." (Zeitschrift für Assyriologie und verwandte Gebiete, Band 8, Issue 1, Pages 149-178).
Epping's 'study room' at Exaeten
Items in Epping's 'study room' at Exaeten included a telescope and celestial globe, Oppolzer's Canon der Finsternisse, almanacs, log tables and star charts, Babylonian word lists, and mathematical journals. At times all enveloped in dense smoke from cigars/pipes smoked by young German Jesuit students. (In the 19th-century tobacco use - as snuff, or smoked with cigars/pipes - was still common with Catholic clergy throughout Europe, the Jesuits being no exception.)
Presently I am not certain where Epping was buried. I presently believe it is most likely he was buried in the Churchyard at Baexem. (At least 1 Jesuit who died at Exaeten in the late 19th-century is buried there.) There is no indication that there was a cemetery at Exaeten during the period of the Jesuit occupancy. There is another possibility. The Redemptorists were located at both Roermond and Wittem. (They had seminaries at both locations.) There was a cemetery at Roermond and a cemetery at Wittem. There is a slight possibility that Epping was buried at either Roermond or Wittem.
Epping a member of Leopoldina
It appears that Joseph Epping was a member of the Leopoldina, the Deutsche Akademie der Naturforscher (renamed since 2007 to Deutsche Akademie der Wissenschaften (German Academy of Sciences) when declared a national academy of Germany. Historically it was known under the German name Deutsche Akademie der Naturforscher Leopoldina. The Leopoldina is a supranational association of scientists and academics. It elects new members to itself. Apart from being a fellow, a means by which excellence can also be rewarded is by receiving the honour of honorary membership.
The Leopoldina was founded in 1652 as scientific-medical society in Schweinfurt, and claims to be the oldest continuously existing learned society in the world. In 1670 the society began to publish the Ephemeriden, the world's first medical and scientific journal. In 1677, Leopold I, emperor of the Holy Roman Empire, recognised the society and in 1687 he gave it the epithet Leopoldina. Since 1878 the Leopoldina has been permanently located in Halle. It did not meet regularly until 1924.
The Leopoldina is now formally explained as: The Deutsche Akademie der Naturforscher Leopoldina (founded in 1652) is the German National Academy of Sciences. The members of the Leopoldina are outstanding scientists, primarily in the natural sciences, life sciences and medicine, but also in the behavioral and empirical social sciences and the humanities. The Leopoldina head offices are located in Halle on the Saale. The Academy also has an office in Berlin.
No suitably detailed obituary for Joseph Epping exists. This means that most of the details of his life/working life are now lost. See the most detailed (but generalised) obituary for Joseph Epping by Alexander Baumgartner S.J. in Zeitschrift für Assyriologie und verwandte Gebeite, Volume 9, 1894. See also the brief (German-language) obituary for Epping in Jahrbuch der naturwissenschaften, Volume 10, 1895, Page 432; and see the brief (Spanish-language) entry for Joseph Epping in: Diccionario histórico de la Compañía de Jesús : Biográfico-Temático edited by Charles E. O'Neill, Joaquín María Domínguez (2001, Volume II Costa Rossetti-Industrias, Page 1248). Also the entries: Epping, Joseph. In: Neue Deutsche Biographie, Band 4, 1959, Page 550, (by Adam Falkenstein); Epping, Joseph. In: Deutsche Biographische Enzyklopädie der Theologie und der Kirchen, Band 1, 2005, Pages 380-381, (by Anon); Epping, Joseph. In: Reallexikon der Assyriologie und vorderasiatischen Archaologie, Band II, 1938, Page 458, (by F. H. Weißbach); and in Lexikon für Theologie und Kirche; Epping, Joseph. In: World Who's Who in Science: A Biographical Dictionary of Notable Scientists from Antiquity to the Present edited by Allen Debus (1968, Volume 2, Page 527).
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