Henry Marshall Leicester (December 22, 1906, San Francisco – April 29, 1991, Menlo Park) was an American biochemist and historian of chemistry.
[1] His doctoral dissertation is entitled Aromatic selenonium salts and the relative electronegativities of organic radicals.
[2] During Leicester's years of study at Stanford, Robert E. Swain was the head of the chemistry department.
[3] Leicester corresponded extensively with chemists in the Soviet Union and gathered a large collection of Russian books on the history of science.
From 1947 to 1951 he chaired the Division of the History of Chemistry (HIST) of the American Chemical Society (ACS).
He also was an authority on caries and, during the 1950s and 1960s at California community meetings, strongly advocated water fluoridation.