Hans Sydow (29 January 1879 – 6 June 1946) was a German

mycologist Mycology is the branch of biology concerned with the study of fungi, including their genetic and biochemical properties, their taxonomy and their use to humans, including as a source for tinder, traditional medicine, food, and entheogens, as ...

and the son of

and lichenologist, Paul Sydow (1851–1925).

Career

Hans Sydow worked at the

Dresdner Bank Dresdner Bank AG was a German bank and was based in Frankfurt. It was one of Germany's largest banking corporations and was acquired by competitor Commerzbank in May 2009. History 19th century The Dresdner Bank was established on 12 Novembe ...

in Berlin between 1904 and 1937 rising to divisional manager in 1922. Before, during and after this time he also pursued a career as a mycologist. Together with his father he co-authored many works before his father's death in 1925, most substantial of which were four volumes of

monograph A monograph is a specialist work of writing (in contrast to reference works) or exhibition on a single subject or an aspect of a subject, often by a single author or artist, and usually on a scholarly subject. In library cataloging, ''monogra ...

s on the Uredinales (now called ''Pucciniales''), ' (''Monograph on the Uredinales, description of known species and outline of systematics''). The first volume covered the genus

Puccinia ''Puccinia'' is a genus of fungi. All species in this genus are obligate plant pathogens and are known as rusts. The genus contains about 4000 species. The genus name of ''Puccinia'' is in honour of Tommaso Puccini (died 1735), who was an Itali ...

and the second the genus

Uromyces ''Uromyces'' is a genus of rust fungi in the family Pucciniaceae. The genus was described by Franz Unger in his 1833 work ''Die Exantheme der Pflanzen''. They have a worldwide distribution but large occurrences happen in North America and Europe ...

. The third volume described the

systematics Biological systematics is the study of the diversification of living forms, both past and present, and the relationships among living things through time. Relationships are visualized as evolutionary trees (synonyms: cladograms, phylogenetic t ...

and

taxonomy Taxonomy is the practice and science of categorization or classification. A taxonomy (or taxonomical classification) is a scheme of classification, especially a hierarchical classification, in which things are organized into groups or types. ...

used to classify the family and provided a key as well as further descriptions of other genera including

Gymnosporangium ''Gymnosporangium'' is a genus of heteroecious plant-pathogenic fungi which alternately infect members of the family Cupressaceae, primarily species in the genus ''Juniperus'' (junipers), and members of the family Rosaceae in the subfamily Am ...

and

Phragmidium ''Phragmidium '' is a genus of rust fungus that typically infects plant species in the family Rosaceae. It is characterised by having stalked teliospores borne on telia each having a row of four or more cells. All species have a caeoma which i ...

. The final volume published covered the related genera; Peridermium,

Aecidium ''Aecidium'' is a genus of rust fungi in the order Pucciniales. The widespread genus is estimated to contain about 600 species. Existence and occurrences There have been 11737 occurrences of ''Aecidium''. Though the genus can be found global ...

, Monosporidium, Roestelia, Caeoma, Uredo and Mapea. His manuscripts and extensive collection were burned in Berlin in 1943. Hans Sydow was founding editor of the

journal A journal, from the Old French ''journal'' (meaning "daily"), may refer to: *Bullet journal, a method of personal organization *Diary, a record of what happened over the course of a day or other period *Daybook, also known as a general journal, a ...

', established in 1903, and he remained the journal's

editor in chief An editor-in-chief (EIC), also known as lead editor or chief editor, is a publication's editorial leader who has final responsibility for its operations and policies. The highest-ranking editor of a publication may also be titled editor, managing ...

until his death in 1946.

Honours

Following Sydow's death, ''Annales Mycologici'' was retitled with the prefix ''Sydowia'' in his honour. In the following issue,

Franz Petrak Franz Petrak (9 October 1886, Mährisch-Weißkirchen – 9 October 1973, Vienna) was an Austrian-Czech mycologist. From 1906 to 1910, he studied botany at the University of Vienna, where he was a student of Richard Wettstein. In 1913 he obtaine ...

, who had published papers with Sydow since the early 1920s, succeeded Sydow as editor in chief and published an obituary in the subsequent volume. Several taxa of fungi were named in his honour; * '' Sydowiella'' (family Sydowiellaceae) by Petr. in 1923 * '' Sydowina'' (family Fenestellaceae) by Petr. in 1923 * '' Sydowinula'' (family

Nitschkiaceae The Nitschkiaceae are a family of fungi in the Ascomycota, order Coronophorales. Species in the family are mostly saprobic on wood, although some grow on lichens. Genera This is a list of the genera in the Nitschkiaceae, based on a 2021 review ...

) by Petr. in 1923 * '' Sydowiellina'' (family

Schizothyriaceae The Schizothyriaceae are a family of fungi A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms ...

) by Bat. & I.H.Lima in 1959 A subspecies of ''

Bryum capillare ''Ptychostomum capillare'', formerly designed as ''Bryum capillare,'' is a species of moss belonging to the family Bryaceae. It has cosmopolitan distribution. ''Ptychostomum capillare'' is known to be able to use artificial light to grow in ...

'' received the suffix "''sydowii''" by Czech botanist, Josef Podpěra.

Selected publications

* * 12 figs. * * * * * * * * * * * * * * * (publ. 1927). * * * * * *

Books

* * * *

References

External links

* {{DEFAULTSORT:Sydow, Hans German mycologists Scientists from Berlin 1879 births 1946 deaths