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Richard Friedrich Johannes Pfeiffer FRS [1] (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 ).
Richard Pfeiffer conducted fundamental research on many aspects of bacteriology, most notably bacteriolysis ("Pfeiffer's phenomenon"), which is the destruction of bacteria by dissolution, usually following the introduction of sera, specific antibodies, or hypotonic solutions into host animals.
Oct 8, 2019 · Richard Pfeiffer, a Chicago LGBTQ community leader who had served as the coordinator of the Chicago Pride Parade for decades, died over the weekend.
Mar 21, 2022 · In 1892 a prominent German bacteriologist named Richard Pfeiffer made a mistake—one that would have an enormous impact on the pandemic of 1918 and the next century of medicine. In the late 19th...
Jun 26, 2020 · For the last 45 years, Pfeiffer was the Chicago Pride Parade's organizer. He died last year after a battle with cancer, but that's not stopping friends and family from celebrating his...
Richard William Pfeiffer was an American LGBT rights activist. [1] [2] He coordinated the Chicago Pride Parade for fifty years and contributed to gay activist organizations.
Oct 7, 2019 · CHICAGO (WLS) -- A Chicago gay rights leader, who coordinated the city's Pride Parade for 45 years, has died. He was 70. Richard William Pfeiffer died Sunday, according to Tim Frye, his husband...
