Werner Ernst Martin Janensch (11 November 1878 – 20 October 1969) was a

German German(s) may refer to: * Germany (of or related to) ** Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ge ...

paleontologist Paleontology (), also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene epoch (roughly 11,700 years before present). It includes the study of fossi ...

and

geologist A geologist is a scientist who studies the solid, liquid, and gaseous matter that constitutes Earth and other terrestrial planets, as well as the processes that shape them. Geologists usually study geology, earth science, or geophysics, althou ...

Biography

Janensch was born at

Herzberg (Elster) Herzberg (Elster) () is a town in the Elbe-Elster district of the German federal state of Brandenburg. Overview From 1939 to 1945 it was home to the Deutschlandsender Herzberg/Elster, a huge longwave transmitter, whose mast was the second talles ...

. In addition to Friedrich von Huene, Janensch was probably Germany's most important dinosaur specialist from the early and middle twentieth century. His most famous and significant contributions stemmed from the expedition undertaken to the Tendaguru Beds in what is now

Tanzania Tanzania (; ), officially the United Republic of Tanzania ( sw, Jamhuri ya Muungano wa Tanzania), is a country in East Africa within the African Great Lakes region. It borders Uganda to the north; Kenya to the northeast; Comoro Islands and ...

. As leader of an expedition (together with

Edwin Hennig Edwin Hennig (27 April 1882 – 12 November 1977) was a German paleontologist. Career Edwin Hennig was one of five children of a merchant who died when Hennig was 10 years old. Starting in 1902, Hennig studied natural sciences, anthropolog ...

) set up by the

Museum für Naturkunde The Natural History Museum (german: Museum für Naturkunde) is a natural history museum located in Berlin, Germany. It exhibits a vast range of specimens from various segments of natural history and in such domain it is one of three major muse ...

Berlin Berlin ( , ) is the capital and largest city of Germany by both area and population. Its 3.7 million inhabitants make it the European Union's most populous city, according to population within city limits. One of Germany's sixteen constitue ...

, where he worked as a

curator A curator (from la, cura, meaning "to take care") is a manager or overseer. When working with cultural organizations, a curator is typically a "collections curator" or an "exhibitions curator", and has multifaceted tasks dependent on the parti ...

, Janensch helped uncover an enormous quantity of fossils of late

Jurassic The Jurassic ( ) is a Geological period, geologic period and System (stratigraphy), stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately Mya. The J ...

period

dinosaur Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago (mya), although the exact origin and timing of the evolution of dinosaurs is t ...

s, including several complete ''

Brachiosaurus ''Brachiosaurus'' () is a genus of sauropod dinosaur that lived in North America during the Late Jurassic, about 154to 150million years ago. It was first described by American paleontologist Elmer S. Riggs in 1903 from fossils found in th ...

'' skeletons, then the largest animal ever known. During his long subsequent career (he worked in Berlin from 1914 to 1961), Janensch named several new dinosaur

taxa In biology, a taxon (back-formation from ''taxonomy''; plural taxa) is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit. Although neither is required, a taxon is usually known by a particular nam ...

including ''

Dicraeosaurus ''Dicraeosaurus'' (Gr. , ' "bifurcated, double-headed" + Gr. , ' "lizard") is a genus of diplodocoid sauropod dinosaur that lived in what is now Lindi Region, Tanzania during the late Jurassic period. The genus was named for the neural spines on ...

'' (1914) and ''

Elaphrosaurus ''Elaphrosaurus'' ( ) is a genus of ceratosaurian theropod dinosaur that lived approximately 154 to 150 million years ago during the Late Jurassic Period in what is now Tanzania in Africa. ''Elaphrosaurus'' was a medium-sized but lightly built m ...

'' (1920). Janensch's ''Brachiosaurus'' were later determined to belong to a distinct, related genus, ''

Giraffatitan ''Giraffatitan'' (name meaning "titanic giraffe") is a genus of sauropod dinosaur that lived during the late Jurassic Period (geology), Period (Kimmeridgian–Tithonian stages) in what is now Lindi Region, Tanzania. It was originally named as an ...

''. His work at Tendaguru earned him several awards. The

Prussian Academy of Sciences The Royal Prussian Academy of Sciences (german: Königlich-Preußische Akademie der Wissenschaften) was an academy established in Berlin, Germany on 11 July 1700, four years after the Prussian Academy of Arts, or "Arts Academy," to which "Berlin ...

honored him with the silver Leibniz Medal in 1911. A year later, he was appointed Professor in geology and paleontology at the Friedrich-Wilhelms-Universität in Berlin. In 1913, he became a member, and in 1958 an honorary member, of the Paläontologische Gesellschaft. He died in 1969 at Berlin and was buried in

Waldfriedhof Dahlem The Waldfriedhof Dahlem ( Dahlem forest cemetery) is a cemetery in Berlin, in the district of Steglitz-Zehlendorf on the edge of the Grunewald forest at Hüttenweg 47. Densely planted with conifers and designed between 1931 and 1933 after the ...

in that city.

Sources

Giant Leap for Paleontology
''Guardian Unlimited''.
Paleontologists - AllAboutDinosaurs.com
* Maier, G. African dinosaurs unearthed : the Tendaguru expeditions. Bloomington, Indiana : Indiana University Press, 2003. (Life of the Past Series). {{DEFAULTSORT:Janensch, Werner 1878 births 1969 deaths German paleontologists 20th-century German geologists People from the Province of Saxony Scientists active at the Museum für Naturkunde, Berlin