Richard Pfeiffer (1858–1945)
Born 1858 CE, died 1945 CE.
Richard Friedrich Johannes Pfeiffer FRS (27 March 1858 – 15 September 1945) was a German physician and bacteriologist. Pfeiffer is remembered for his many fundamental discoveries in immunology and bacteriology, particularly for the discovery of endotoxins and the formulation of a vaccine for typhoid fever.
Text from the Wikipedia article Richard_Friedrich_Johannes_Pfeiffer, licensed CC BY-SA 4.0.