German physician; born at Strehlen, Prussian Silesia, March 14, 1854. He studied medicine at the universities of Breslau, Freiburg-in-Baden, Leipsic, and Strasburg, being graduated from the last-named in 1878. After holding some minor appointments, he became privat-docent at Berlin University in 1887, and in 1890 assistant professor and assistant to Koch in the laboratory for infectious diseases. In 1896 he was appointed director of the laboratory for serum examination (Institut für Serumforschung und Serumprüfung) at Steglitz, near Berlin; and when in 1899 this laboratory was transferred to Frankfort-on-the-Main, Ehrlich became its director, resigning his university position. Ehrlich is the author of various essays and treatises relating to his profession.
- Pagel, Biog. Lex. s.v. and Appendix, Vienna, 1901;
- Meyers Konversations-Lexikon, xviii. s.v.