Helge Thorsten Lumbsch (born 1964) is a German-born lichenologist living in the United States. His research interests include the

phylogeny A phylogenetic tree (also phylogeny or evolutionary tree Felsenstein J. (2004). ''Inferring Phylogenies'' Sinauer Associates: Sunderland, MA.) is a branching diagram or a tree showing the evolutionary relationships among various biological spec ...

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. ...

, and

phylogeography Phylogeography is the study of the historical processes that may be responsible for the past to present geographic distributions of genealogical lineages. This is accomplished by considering the geographic distribution of individuals in light of ge ...

lichen A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.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 are classified as a kingdom, separately from ...

; lichen diversity; lichen chemistry and

chemotaxonomy Webster's Dictionary, Merriam-Webster defines ''chemotaxonomy'' as the method of biology, biological classification based on similarities and dissimilarity in the structure of certain chemical compound, compounds among the organisms being classifi ...

. He is the Associate Curator and Head of Cryptogams and Chair of the Department of Botany at the

Field Museum of Natural History The Field Museum of Natural History (FMNH), also known as The Field Museum, is a natural history museum in Chicago, Illinois, and is one of the largest such museums in the world. The museum is popular for the size and quality of its educational ...

Biography

Lumbsch was born in

Frankfurt Frankfurt, officially Frankfurt am Main (; Hessian: , "Frank ford on the Main"), is the most populous city in the German state of Hesse. Its 791,000 inhabitants as of 2022 make it the fifth-most populous city in Germany. Located on its na ...

in 1964. Interested in lichens already as a schoolboy, he studied

natural sciences Natural science is one of the branches of science concerned with the description, understanding and prediction of natural phenomena, based on empirical evidence from observation and experimentation. Mechanisms such as peer review and repeatab ...

at the

University of Marburg The Philipps University of Marburg (german: Philipps-Universität Marburg) was founded in 1527 by Philip I, Landgrave of Hesse, which makes it one of Germany's oldest universities and the oldest still operating Protestant university in the wor ...

, under the tutelage of

Aino Henssen Aino Marjatta Henssen (12 April 1925, Elberfeld – 29 August 2011, Marburg), was a German lichenologist and systematist. Her father, Gottfried Henssen, was a folklorist and her mother was Finns, Finnish. Education and career Henssen began her stu ...

. He received his

diploma A diploma is a document awarded by an educational institution (such as a college or university) testifying the recipient has graduated by successfully completing their courses of studies. Historically, it has also referred to a charter or offici ...

in 1989, with a dissertation titled ''Ontogenetisch-systematische Studien der Trapeliaceae und verwandter Familien (Lichenisierte Ascomyceten)'' ("Ontogenic-systematic studies of the Trapeliaceae and related families (lichenized ascomycetes"). After Henssen's retirement in 1990, he transferred to the University in Essen, where he worked on the '' Lecanora subfusca'' group in Australasia, a subject that was the topic of his PhD dissertation. In 1993 he completed his

doctorate A doctorate (from Latin ''docere'', "to teach"), doctor's degree (from Latin ''doctor'', "teacher"), or doctoral degree is an academic degree awarded by universities and some other educational institutions, derived from the ancient formalism ''l ...

under the supervision of Guido Benno Feige. Between 1994 and 1997, Lumbsch did

postdoctoral A postdoctoral fellow, postdoctoral researcher, or simply postdoc, is a person professionally conducting research after the completion of their doctoral studies (typically a PhD). The ultimate goal of a postdoctoral research position is to p ...

research at the Botanical Garden of the University of Duisburg-Essen; in 1998–2003 he was a private lecturer there. Between 2003 and 2006 he was the Assistant curator at the Field Museum of Natural History. Since 2004, Lumbsch has been a member of committee on Evolutionary Biology at the

University of Chicago The University of Chicago (UChicago, Chicago, U of C, or UChi) is a private research university in Chicago, Illinois. Its main campus is located in Chicago's Hyde Park neighborhood. The University of Chicago is consistently ranked among the b ...

, an interdepartmental and inter-institutional graduate student training program. In the years 2005–2009 he was the head of Cryptogams at the Field Museum, and between 2006 and 2014, the Associate Curator. Lumbsch was the president of the

International Association for Lichenology The International Association for Lichenology (IAL) is an organisation that encourages the understanding of lichens and lichenology, and promotes their study and conservation worldwide. It unites lichenologists across the globe, as well as national ...

in the years 2012–2016. Lumbsch has been the author or coauthor of more than 500 publications, many of which deal with

molecular phylogenetics Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...

of various

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 ...

of lichens. In his 2009 survey of influential lichenologists,

Ingvar Kärnefelt Jan Eric Ingvar Kärnefelt (born 1944) is a Swedish lichenologist. Early life and education Kärnefelt was born in Gothenburg, Sweden in 1944. His initial goal in his higher-level studies at University of Cologne in 1966–1967 was to become ...

calls him "a leading scientist on systematics and evolution of lichenized fungi."

Eponymy

Several lichen species have been named in honour of Lumbsch, including: '' Paraparmelia lumbschii'' ; '' Graphina lumbschii'' ; '' Sticta lumbschiana'' ; '' Fissurina lumbschiana'' ; '' Ocellularia lumbschii'' ; and '' Pertusaria lumbschii'' .

Selected publications

* * * * A partial list of his publications (249) may be found by accessing the Scholia link above.

References

Cited literature

* {{DEFAULTSORT:Lumbsch, Helge Thorsten 1964 births German lichenologists German taxonomists Scientists from Frankfurt University of Marburg alumni University of Duisburg-Essen alumni Living people