Jan Willem Moll (3 June 1851 – 24 September 1933) was a Dutch botanist and plant physiologist who worked as a professor at the

University of Groningen The University of Groningen (abbreviated as UG; nl, Rijksuniversiteit Groningen, abbreviated as RUG) is a Public university#Continental Europe, public research university of more than 30,000 students in the city of Groningen (city), Groningen in ...

. A major work by him was a systematic catalog of European fungi, the ''Enumeratio systematica fungorum in omnium herbarum''. Moll was born in Amsterdam to Annetta Elisabeth Henriette Theodora Voet and Dr Willem Moll. He studied at the Athenaeum Illustre, Amsterdam before going to

Leiden University Leiden University (abbreviated as ''LEI''; nl, Universiteit Leiden) is a Public university, public research university in Leiden, Netherlands. The university was founded as a Protestant university in 1575 by William the Silent, William, Prince o ...

. He taught for a while in Utrecht before he became a professor at the University of Groningen in 1890 and served as Rector Magnificus of the University in 1909-10. He was a close associate of Hugo de Vries and his student Tine Tammes worked on Mendelian inheritance of quantitative traits. He developed both laboratory and field techniques for conducting experiments on plant physiology. He helped establish agricultural education and research in the Netherlands.

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{{DEFAULTSORT:Moll, Jan Willem 1851 births 1933 deaths 19th-century Dutch botanists 20th-century Dutch botanists