Wilhelm Daniel Joseph Koch

Wilhelm Daniel Joseph Koch (5 March 1771 – 14 November 1849) was a German physician and botanist from Kusel, which at various points in his life was under the Holy Roman Empire, part of France and then part of the Kingdom of Bavaria.

Koch studied medicine at the Universities of Jena and Marburg, and afterwards was a Stadtphysicus (state physician) in Trarbach.

In 1824 he became a professor of medicine and botany at the University of Erlangen, where he stayed for the remainder of his life.

In 1833, he was elected a foreign member of the Royal Swedish Academy of Sciences.

He has been honoured in the naming of 2 plant genera; Eokochia (from the family Amaranthaceae),[1] and Kochia (Chenopodioideae).