Jakob Emanuel Lange (2 April 1864 – 27 December 1941), was a Danish

mycologist Mycology is the branch of biology concerned with the study of fungi, including their taxonomy, genetics, biochemical properties, and use by humans. Fungi can be a source of tinder, food, traditional medicine, as well as entheogens, poison, and ...

who studied the systematics of gilled mushrooms. His best-known work is ''Flora Agaricina Danica'', a five-volume plate work on the

Agaricales The Agaricales are an order (biology), order of fungi in the division (mycology), division Basidiomycota. As originally conceived, the order contained all the agarics (gilled mushrooms), but subsequent research has shown that not all agarics are ...

Denmark Denmark is a Nordic countries, Nordic country in Northern Europe. It is the metropole and most populous constituent of the Kingdom of Denmark,, . also known as the Danish Realm, a constitutionally unitary state that includes the Autonomous a ...

. He was also a dedicated

Georgist Georgism, in modern times also called Geoism, and known historically as the single tax movement, is an economic ideology holding that people should own the value that they produce themselves, while the economic rent derived from land—includ ...

land reformer. He was the father of Morten Lange (1919–2003), mycologist, professor at the

University of Copenhagen The University of Copenhagen (, KU) is a public university, public research university in Copenhagen, Copenhagen, Denmark. Founded in 1479, the University of Copenhagen is the second-oldest university in Scandinavia, after Uppsala University. ...

and member of the

Folketing The Folketing ( , ), also known as the Parliament of Denmark or the Danish Parliament in English, is the unicameral national legislature (parliament) of the Kingdom of Denmark — Denmark proper together with the Faroe Islands and Greenland. E ...

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1864 births 1941 deaths Danish mycologists Georgists {{mycologist-stub