Arnold and Mabel Beckman with William and Mrs. Ballhaus at an unidentified anniversary dinner
- Undated
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.
Dr. William F. Ballhaus, Sr. (1918-2013) was a Stanford- and Caltech-educated aeronautical engineer who assumed the presidency of Beckman Instruments in 1965. During his tenure, Ballhaus oversaw the company's shift away from space and defense applications in favor of medical instrumentation. He served as vice chairman and chief executive officer following Beckman's acquisition by Smith Kline, retiring in 1983.
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“Arnold and Mabel Beckman with William and Mrs. Ballhaus at an Unidentified Anniversary Dinner,” n.d. Beckman Historical Collection, Box 90, Folder 1. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/pg15bd999.
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