Ernst Gustav Georg Teichmann (20 February 1869,
Nienburg – 27 June 1919,
Frankfurt am Main) was a German
theologian and
zoologist known for his investigations in the field of the
tsetse fly
Tsetse ( , or ) (sometimes spelled tzetze; also known as tik-tik flies), are large, biting flies that inhabit much of tropical Africa. Tsetse flies include all the species in the genus ''Glossina'', which are placed in their own family, Glo ...
and for his books on
birth,
fertilisation
Fertilisation or fertilization (see spelling differences), also known as generative fertilisation, syngamy and impregnation, is the fusion of gametes to give rise to a new individual organism or offspring and initiate its development. Proce ...
,
heredity
Heredity, also called inheritance or biological inheritance, is the passing on of traits from parents to their offspring; either through asexual reproduction or sexual reproduction, the offspring cells or organisms acquire the genetic inform ...
and
death.
Life and work
He studied theology in
Lausanne,
Giessen,
Berlin and
Marburg, obtaining his license in theology at
Bonn in 1896. From 1898 to 1900, he studied
zoology at the
University of Würzburg, afterwards continuing his education in zoology at
Naples and Marburg. In 1909–10 he worked at the
Institute for Maritime and Tropical Diseases in
Hamburg, and from 1911 onward, served as a hydrozoologist and departmental head at the institute for
hygiene in Frankfurt. He spent a prolonged time in
Kenya for studies of the tsetse fly and the
animal trypanosomiasis. There he made experiments with
hydrogen cyanide
Hydrogen cyanide, sometimes called prussic acid, is a chemical compound with the formula HCN and structure . It is a colorless, extremely poisonous, and flammable liquid that boils slightly above room temperature, at . HCN is produced on an ...
to analyse the toxic effect on
mosquitoes and
lice
Louse ( : lice) is the common name for any member of the clade Phthiraptera, which contains nearly 5,000 species of wingless parasitic insects. Phthiraptera has variously been recognized as an order, infraorder, or a parvorder, as a result o ...
.
Written works
Teichmann was main editor of the ten-volume "''Handwörterbuch der naturwissenschaften''" (Dictionary of natural sciences). In 1905 he published ''Vom Leben und vom Tode, ein Kapitel aus der Lebenskunde'', a book later translated into English and issued as "Life and death; a study in biology" (A M Simons, Chicago, C.H. Kerr, 1906). The following are a few of his principal theological and scientific works:
* ''Die Paulinischen Vorstellungen von Auferstehung und Gericht und ihre Beziehung zur jüdischen Apokalyptik'', 1896 - The
Pauline notions of resurrection and judgment and its relation to the
Jewish Apocalypse.
* ''Der Befruchtungsvorgang, sein Wesen und seine Bedeutung'', 1905 - The process of
fertilization, its essence and its meaning.
* ''Fortpflanzung und Zeugung'', 1907 -
Reproduction
Reproduction (or procreation or breeding) is the biological process by which new individual organisms – "offspring" – are produced from their "parent" or parents. Reproduction is a fundamental feature of all known life; each individual or ...
and procreation.
* ''Die Befruchtung und ihre Beziehung zur Vererbung'', 1912 - Fertilization and its relation to
inheritance.
* ''Erfahrungen über die tierischen Trypanosomen-Krankheiten Deutsch-Ostafrikas'' (with Hugo Braun), 1914 - Experience involving
trypanosomiasis affecting animals in
German East Africa
German East Africa (GEA; german: Deutsch-Ostafrika) was a German colony in the African Great Lakes region, which included present-day Burundi, Rwanda, the Tanzania mainland, and the Kionga Triangle, a small region later incorporated into Mozam ...
.
* with
Hugo Braun: ''Erfahrungen über die tierischen Trypanosomen-Krankheiten
Deutsch-Ostafrika
German East Africa (GEA; german: Deutsch-Ostafrika) was a German colony in the African Great Lakes region, which included present-day Burundi, Rwanda, the Tanzania mainland, and the Kionga Triangle, a small region later incorporated into Mo ...
s'', 1914 - Experience involving trypanosomiasis affecting animals in German East Africa.
[Erfahrungen über die tierischen Trypanosomen-Krankheiten Deutsch-Ostafrikas. Leipzig. Barth 1914. Archiv für Schiffs- und Tropenhygiene, Bd.18, Beih.1.]
* Die tierischen Trypanosomen-Krankheiten Deutsch-Ostafrikas. (Aus den Ergebnissen einer Studienreise.) Von Dr. Ernst Teichmann, Frankfurt a. M
(vollst. Text online)* Mischinfektionsversuche mit Trypanosomen. Zeitschr. f. Hygiene. (1916) 82: 511. https://doi.org/10.1007/BF02174337
* Bekämpfung der Stechmücken durch Blausäure. Zeitschrift für Hygiene und Infektionskrankheiten. Februar 1918, Vol. 85, Issue 1, pp 1–16
References
{{DEFAULTSORT:Teichmann, Ernst
1869 births
1919 deaths
University of Würzburg alumni
People from Nienburg, Lower Saxony
19th-century German zoologists
20th-century German zoologists