Theodor Fuchs (15 September 1842 in Eperies – 5 October 1925 in

Steinach am Brenner Steinach am Brenner is a market town in the district of Innsbruck-Land in the Austrian state of Tyrol (state), Tyrol located south of Innsbruck in the Wipptal at the Sill River. Geography Steinach am Brenner is located in Wipptal, along the Sill R ...

) was an Austrian

geologist A geologist is a scientist who studies the structure, composition, and History of Earth, history of Earth. Geologists incorporate techniques from physics, chemistry, biology, mathematics, and geography to perform research in the Field research, ...

and

paleontologist Paleontology, also spelled as palaeontology or palæontology, is the scientific study of the life of the past, mainly but not exclusively through the study of fossils. Paleontologists use fossils as a means to classify organisms, measure geolo ...

. He studied geology and paleontology at the

University of Vienna The University of Vienna (, ) is a public university, public research university in Vienna, Austria. Founded by Rudolf IV, Duke of Austria, Duke Rudolph IV in 1365, it is the oldest university in the German-speaking world and among the largest ...

as a pupil of

Eduard Suess Eduard Suess (; 20 August 1831 – 26 April 1914) was an Austrian geologist and an expert on the geography of the Alps. He is responsible for hypothesising two major former geographical features, the supercontinent Gondwana (proposed in 1861) and ...

(doctorate 1863). Following graduation, he worked as an assistant at the '' Hofmineralienkabinett'' in Vienna, being named its curator in 1880. From 1889 to 1904 he was director of the geologic-paleontological department at the Natural History Museum in Vienna. In 1897 he became an associate professor of paleontology at the university.Fuchs Theodor
In: Österreichisches Biographisches Lexikon 1815–1950 (ÖBL). Band 1, Verlag der Österreichischen Akademie der Wissenschaften, Wien 1957, S. 379. His primary research dealt with studies of

stratigraphic Stratigraphy is a branch of geology concerned with the study of rock layers (strata) and layering (stratification). It is primarily used in the study of sedimentary and layered volcanic rocks. Stratigraphy has three related subfields: lithost ...

conditions of the Late Tertiary of the

Vienna Basin The Vienna Basin (, , , Hungarian: ''Bécsi-medence'') is a geologically young tectonic burial basin and sedimentary basin in the seam area between the Alps, the Carpathians and the Pannonian Plain. Although it topographically separates the Al ...

and investigations of

Tertiary Tertiary (from Latin, meaning 'third' or 'of the third degree/order..') may refer to: * Tertiary period, an obsolete geologic period spanning from 66 to 2.6 million years ago * Tertiary (chemistry), a term describing bonding patterns in organic ch ...

deposits in the

Mediterranean The Mediterranean Sea ( ) is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean basin and almost completely enclosed by land: on the east by the Levant in West Asia, on the north by Anatolia in West Asia and Southern ...

. In 1894 he proposed the Chattian age, a chronostratigraphic stage of the Oligocene epoch. In 1895 he was the first to report on soft sediment deformations known today as " load casts" — at the time, Fuchs used the descriptive term ''Fließwülste'' (flow crests).

Selected works

* ''Die Conchylienfauna der Eocaenbildungen von Kalinowka, im Gouvernement Cherson im südlichen Russland'', 1869 – The

conch Conch ( , , ) is a common name of a number of different medium-to-large-sized sea snails. Conch shells typically have a high Spire (mollusc), spire and a noticeable siphonal canal (in other words, the shell comes to a noticeable point on both ...

fauna in the

Eocene The Eocene ( ) is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (Ma). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene'' comes ...

strata at Kalinovka, in the

Kherson Governorate Kherson Governorate, known until 1803 as Nikolayev Governorate, was an administrative-territorial unit ('' guberniya'') of the Russian Empire, with its capital in Kherson. It encompassed in area and had a population of 2,733,612 inhabitants. At t ...

of southern Russia. * ''Beitraege zur Geologie und Palaeontologie der libyschen Wüste und der angrenzenden Gebiete von Aegypten'', 1883 (with Karl Alfred von Zittel) – Contributions to geology and paleontology of the

Libyan Desert The Libyan Desert (not to be confused with the Libyan Sahara) is a geographical region filling the northeastern Sahara Desert, from eastern Libya to the Western Desert (Egypt), Western Desert of Egypt and far northwestern Sudan. On medieval m ...

and neighboring areas of Egypt. * ''Studien über Fucoiden und Hieroglyphen'', 1895 – Studies on fucoides and hieroglyphs. * ''Über einen Versuch die problematische Gattung Palaeodictyon auf mechanischem Wege künstlich herzustellen'', 1905 – On an attempt to artificially produce tunnels formed by the problematic genus Paleodictyon. * ''Wissenschaft und religion. Eine naturwissenschaftlich-philosophische studie'', 1911 – Science and religion. A scientific and philosophical study. He was a proponent of

Esperanto Esperanto (, ) is the world's most widely spoken Constructed language, constructed international auxiliary language. Created by L. L. Zamenhof in 1887 to be 'the International Language' (), it is intended to be a universal second language for ...

; in 1912 he translated the introductory chapter of Eduard Suess's ''Das Antlitz der Erde'' ("The face of the Earth") as ''La vizaĝo de la tero''.El "La vizaĝo de la tero" esperantigis Theodor Fuchs
HathiTrust

References

{{DEFAULTSORT:Fuchs, Theodor 1842 births 1925 deaths People from Prešov University of Vienna alumni Academic staff of the University of Vienna Austrian paleontologists 19th-century Austrian geologists 20th-century Austrian geologists Geologists from Austria-Hungary Paleontologists from Austria-Hungary