Presidents of the Early 1940s

John N. Howard

Meet two 20th century OSA leaders—one who helped lay the foundation for the study of light visibility and another who developed the tungsten filament lamp.

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Born in 1890, Kasson Stanford Gibson received his education at Cornell. In 1916, he joined the National Bureau of Standards (NBS), where he remained until his retirement in 1955. He was a world authority on spectrophotometry. One of his most important contributions was an article, titled “Visibility of Radiant Energy,” which was written with Edward P.T. Tyndall and published as a scientific paper of the Bureau of Standards in 1923. (That paper is described in detail in a 2001 article by Jonathan E. Hardis entitled “Visibility of Radiant Energy.” It is available through NIST at http://nvl.nist.gov/pub/nistpubs/sp958-lide/025-027.pdf.)

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