Lester Orville Krampitz (July 9, 1909, Maple Lake, Minnesota – May 18, 1993, Cleveland, Ohio)[1] was an American microbiologist.
[2] His Ph.D. thesis The fixation of carbon dioxide in oxalacetic acid and its relationship to bacterial inspiration[3] was supervised by C. H.
[1] For the academic year 1942–1943 as a postdoc in D. W. Woolley's laboratory at the Rockefeller Institute, Krampitz did research on vitamin antagonists that occur in nature.
[4] As director of the microbiology department, he hired a number of noteworthy faculty members, including L. Leon Campbell, Howard Gest, and Charles Yanofsky.
[5] For the academic year 1955–1956, the Fulbright Program enabled Krampitz for seven months to conduct research on tartrates in Feodor Lynen's laboratory, where he met Otto Warburg.