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    • 1955-Feb-10

    Lee de Forest (1873–1961) was an inventor, most notably of Audion vacuum tubes in the early twentieth century. His serial business ventures included work in radio, telegraphy, telephony, broadcasting, and film.

    • 1980s

    Dr. James C. Sternberg (1927-2001) was the Vice President of Advanced Research at Beckman Instruments and responsible for the development of the Glucose Analyzer in the 1970. In 1968 he published a landmark paper on a…

    • Undated

    This may be a photograph of Dr. Arnold O. Beckman with Walt Donner, the manager of Beckman Instruments' Space Engineering Department in the 1960s.

    • 1990s

    The office pictured was in Arnold Beckman's home; he was 93 when the photograph was taken. The two color photographs were taken during his 90th birthday celebration.

    Dr. Arnold O. Beckman (1900-2004) invented the first…

    • 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,…

    • 1980s

    Some photographs are inscribed with details regarding dates and the occasion for the photograph.

    Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a…

    • 1970s

    Some photographs include more specific dates or notes, including an image's use in the 1973 annual report.

    Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus…

    • 1963 – 1966

    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,…

    • 1960 – 1962

    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,…

    • 1950s

    Some of the portraits bear a photographer's stamp or more specific date (occasionally contradicting other prints of the same photograph).

    Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful…

    • 1945

    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,…

    • 1967

    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,…

    • circa 1963

    Dr. Herald was an American ichthyologist. He is pictured on the set of the California Academy of Sciences television show, Science in Action, which he hosted from 1952-1966, when production ended.

    • 1965

    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,…

    • 1960s

    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,…

    • 1966-Jun

    This portrait was taken on the occasion of his receiving the Orange County Man of the Year Award in 1966.

    Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus…

    • circa 1965

    Dr. Robert Gafford, a project manager for Beckman Instruments, holds a Cardiovascular Reflex Conditioning System. This instrument was used aboard at least one of the Project Gemini manned spaceflights in 1965-1966 in an…

    • 1964

    Alan Kahn was Beckman's Medical Director. He is pictured holding an electrode designed for use during surgery and research projects. It monitored electrical signals from the brain, heart, and muscle tissue.

    • 1960

    Walt Donner worked in Advanced Technology Operations at Beckman Instruments and on projects for the National Aeronautical and Space Administration (NASA). Jim Cook was presumably a Beckman Instruments employee who…

    • 1952

    Dr. Robert Millikan was an American physicist who received the Nobel Prize in Physics in 1923 for his work the photoelectric effect and for measuring the elementary electronic charge. In 1923 he also became director of…

    • circa 1981

    Head of the Systems Division at Beckman Instruments in the 1960s. The Systems Division designed and manufactured computers and data handling systems. Nesbit went on to become vice president for research and development.

    • 1945

    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,…

    • 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,…

    • 1958

    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,…