Eduard Adolf Wilhelm Jahn (20 May 1871,

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 ...

– 23 January 1942,

Hann. Münden Hann. Münden (short for Hannoversch Münden) is a town in Lower Saxony, Germany. Münden lies in the district of Göttingen at the confluence of the Fulda and Werra rivers, which join to form the Weser. It has about 24,000 inhabitants (2013). I ...

) was a German biologist and mycologist.

Biography

Jahn studied natural sciences at the

Humboldt University of Berlin Humboldt-Universität zu Berlin (german: Humboldt-Universität zu Berlin, abbreviated HU Berlin) is a German public research university in the central borough of Mitte in Berlin. It was established by Frederick William III on the initiative o ...

, especially biology, until he received his doctorate in 1894 under

Simon Schwendener Simon Schwendener (10 February 1829 – 27 May 1919) was a Swiss botanist who was a native of Buchs in the Canton of St. Gallen. In 1856 he received his doctorate at the University of Zurich, where afterwards he was an assistant to Carl Wilhelm ...

. Jahn then passed his teaching qualification and taught in

Berlin-Charlottenburg Charlottenburg () is a Boroughs and localities of Berlin, locality of Berlin within the borough of Charlottenburg-Wilmersdorf. Established as a German town law, town in 1705 and named after Sophia Charlotte of Hanover, Queen consort of Kingdom ...

at the ' until 1921. From 1921 to 1938 he was a full professor of botany and mycology at the ''Forstakademie Hann. Münden'' (Forest Academy in

). From 1933 until his retirement in 1938, he headed the ''Institut für Botanik und technische Mykologie'' (Institute for Botany and Technical Mycology). His specialty was the Myxomycetes, and he also worked on the

myxobacteria The myxobacteria ("slime bacteria") are a group of bacteria that predominantly live in the soil and feed on insoluble organic substances. The myxobacteria have very large genomes relative to other bacteria, e.g. 9–10 million nucleotides except ...

. His appointment in 1933 was made in opposition to the proposed appointment of the mycologist

Richard Falck Richard Falck (7 May 1873 – 1 January 1955) was a German-American botanist and mycologist, who worked as a professor of mycology at the forest academy in Hannoversch Münden before he fled Nazi Germany and the persecution of Jews to finally set ...

, who was Jewish and a member of the DDP. In November 1933 Jahn signed the ''Bekenntnis der deutschen Professoren zu Adolf Hitler''. In 1904 Jahn scientifically described the slime mould species ''

Stemonitis flavogenita ''Stemonitis'' is a distinctive genus of slime moulds found throughout the world (except Antarctica). They are characterised by the tall brown sporangia, supported on slender stalks, which grow in clusters on rotting wood. The genus was first des ...

''. In 1906 he published his scientific description of ''

Listerella paradoxa ''Listerella paradoxa'' is a slime mould species from the class Myxogastria and the only member of its genus as well as the family Listerelliidae. The species is so far only found on the wattle genus ''Cladonia'', mostly in European temperate zo ...

'', which is a slime mould

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

from the

class Class or The Class may refer to: Common uses not otherwise categorized * Class (biology), a taxonomic rank * Class (knowledge representation), a collection of individuals or objects * Class (philosophy), an analytical concept used differentl ...

Myxogastria Myxogastria/Myxogastrea (myxogastrids, International Code of Zoological Nomenclature, ICZN) or Myxomycetes (International Code of Nomenclature for algae, fungi, and plants, ICN), is a Class (biology), class of slime molds that contains 5 o ...

and the only member of its

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

, as well as the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

''Listerelliidae''.

Eponyms

The fungal genus '' Jahnula'',

circumscribed In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices of the polygon. The center of this circle is called the circumcenter and its radius is called the circumradius. Not every polyg ...

Wilhelm Kirschstein Wilhelm Kirschstein (2 October 1863 - 1946 in Groß Behnitz bei Nauen) was a German schoolteacher and mycologist. During his career, he taught classes in Rathenow and Berlin-Pankow.Jahnulales The Jahnulales are an order of fungi in the class Dothideomycetes, subclass Pleosporomycetidae. They are ascomycetes that have stalked/stessile and dimorphic ascomata, hyphal stalk cells that are about 40 μm The micrometre ( inter ...

Selected publications

* (reprinted from ) *

Source

Gerhard Wagenitz Gerhard is a name of Germanic origin and may refer to: Given name * Gerhard (bishop of Passau) (fl. 932–946), German prelate * Gerhard III, Count of Holstein-Rendsburg (1292–1340), German prince, regent of Denmark * Gerhard Barkhorn (1919–19 ...

: ''Göttinger Biologen 1737–1945: Eine biographisch-bibliographische Liste'', Göttingen 1988 The standard author abbreviation E.Jahn may be used to indicate this person when citing a fungal name.Jahn, Eduard Adolf Wilhelm (1871-1942)
at the

IPNI The International Plant Names Index (IPNI) describes itself as "a database of the names and associated basic bibliographical details of seed plants, ferns and lycophytes." Coverage of plant names is best at the rank of species and genus. It inclu ...

References

Aniko Szabo: ''Vertreibung, Rückkehr, Wiedergutmachung: Göttinger Hochschullehrer im Schatten des Nationalsozialismus'', Wallstein, Göttingen 2000, pp. 487–48
p. 487p. 488
/ref> Lotte Burkhardt 2022: Eine Enzyklopädie zu eponymischen Pflanzennamen: Von Menschen & ihren Pflanzen – Berlin: Botanic Garden and Botanical Museum Berlin, Freie Universität Berlin. – , Berlin 2022.

External links

*
Jahn, Eduard, Bibliothek für Bildungsgeschichtliche Forschung des DIPF
(The name DIPF ''Deutsches Institut für Internationale Pädagogische Forschung'' is the present name (since 2018) of the ''Leibniz-Institut für Bildungsforschung und Bildungsinformation.) * Archiv zur Geschichte der Max-Planck-Gesellschaft (Archive of the History of the

Max Planck Society The Max Planck Society for the Advancement of Science (german: Max-Planck-Gesellschaft zur Förderung der Wissenschaften e. V.; abbreviated MPG) is a formally independent non-governmental and non-profit association of German research institutes. ...

)
Zeichnungen von Eduard Jahn aus dem Zoologischen Praktikum, III. Abt., Rep. 18 - Jahn, Eduard
* {{DEFAULTSORT:Jahn, Eduard German mycologists German microbiologists Humboldt University of Berlin alumni 1871 births 1942 deaths Mycologist stubs