Physicist; he was the first to isolate the electron and measure its charge. TLS signed “R. A. Millikan,” one page, 8.5 x 11, California Institute of Technology letterhead, January 19, 1943. Letter to a member of Soviet Russia Today. In part, “The sponsors of an activity should be those who know it thoroughly and really assist in directing it…I am very happy, however, to express my great admiration of and gratitude for the superb conduct of the Russian Army in this struggle to save civilization and destroy the power of bandit nations.” In fine condition, with expected folds and a touch of light toning. R&R COA.