Joseph Slepian
Born in Boston, MA of Jewish Russian immigrants, he studied mathematics at Harvard University, from which he was awarded a B.Sc.(1912) and Ph.D. on the thesis On the Functions of a Complex Variable Defined by an Ordinary Differential Equation of the First Order and First Degree advised by George Birkhoff (1913).He joined Westinghouse Electric in East Pittsburgh (1916) in the railway motor department initially, moving to the research department (1917) at Forest Hills (PA) where he became head (1922), consulting engineer (1926) and associate director (1938–1956) and developed over two hundred patents.He received the IEEE Edison Medal (1947) for his work on the autovalve lightning arrester, deion circuit breaker, and ignitron.He wrote over 120 articles and essays, and published the book Conductivity of electricity in gases (1933).