Robert Andrews Millikan (1868 - 1953)

Robert A. Millikan (March 22, 1868 – December 19, 1953) was an American experimental physicist, and Nobel laureate in physics for his measurement of the charge on the electron and for his work on the photoelectric effect. He served as Chair of the Executive Council at Caltech from 1921 to 1945, that school's governing body at the time. He also served on the board of trustees for Science Service, now known as Society for Science & the Public, from 1921 to 1953.