Karl Herxheimer

Karl Herxheimer (German pronunciation: [kaʁl ˈhɛʁksˌhaɪmɐ]; 26 June 1861 – 6 December 1942) was a German-Jewish dermatologist who was a native of Wiesbaden.

He studied medicine at the universities of Freiburg, Strasbourg and Würzburg, receiving his doctorate in 1885 with a thesis on cerebral syphilis.

Following graduation he worked as an assistant to Karl Weigert at the Institute of Pathology in Frankfurt am Main, and to Albert Neisser at the university skin clinic in Breslau.

[1] He later worked with his older brother, Salomon Herxheimer (1841–1899) in Frankfurt, where in 1894, he became director of the municipal dermatology clinic.

This condition is sometimes referred to as "Pick–Herxheimer disease", named along with co-discoverer Philipp Josef Pick (1834–1910).