Arnold O. Beckman at a Delta Upsilon party during his time at the University of Illinois, 1918-1923.
Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories, Arnold O. Beckman, Inc., and Beckman Instruments. After his retirement he devoted his life to philanthropy and specifically supporting scientific innovation.
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“Arnold O. Beckman in a Clown Costume at a College Fraternity Party,” circa 1920. Beckman Historical Collection, Box 56, Folder 79. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/z316q165r.
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