Richard Friedrich Johannes Pfeiffer

Richard Friedrich Johannes Pfeiffer
c.1928
Born(1858-03-27)27 March 1858
Died15 September 1945(1945-09-15) (aged 87)
Bad Landek (Prussia, now Lower Silesian Voivodeship, southwestern Poland)
Known forEndotoxins discovery
AwardsFellow of the Royal Society (FRS), Pasteur medal
Scientific career
FieldsMicrobiology

Richard Friedrich Johannes Pfeiffer FRS (27 March 1858 15 September 1945) was a German physician and bacteriologist. Pfeiffer was born to Otto Pfeiffer, a German pastor of the local Evangelical parish, and Natalia née Jüttner, in Treustädt, Province of Posen (Prussia), and died in Bad Landeck (Prussia, now Poland).