Lilley (B.S. 1934), Former President of the AT&T from 1972 to 1976 Herbert L. Anderson (B.S. 1935), established Enrico Fermi Institute and nuclear physicist in the Manhattan Project Daniel C. Drucker (PhD. 1939), American engineer and recipient of National Medal of Science Antoine Marc Gaudin (E.M. 1921), professor at MIT and a founding member of National Academy of Engineering John R. Ragazzini (PhD. 1941), pioneered the development of the z-transform method in discrete-time signal processing and analysis. Arthur Hauspurg (B.S. 1943, M.S. 1947), chairman of Consolidated Edison Samuel Higginbottom (B.S. 1943), former CEO of Eastern Air Lines and Rolls-Royce North America, chairman of Columbia's board of trustees Richard Skalak (B.S. 1943), pioneer in Biomedical engineering Elmer L. Gaden (B.S. 1944), Father of Biochemical Engineering William F. Schreiber (B.S. 1945), electrical engineer and developer of optical recognition machine Sheldon E. Isakoff (B.S. 1945, M.S. 1947, PhD. 1951), chemical engineer and former director of DuPont Henry S. Coleman (B.S. 1946), acting dean of Columbia College, Columbia University who was held hostage during the Columbia University protests of 1968. Joseph F. Engelberger (B.S. 1946, M.S. 1949), Father of Industrial robotics Edward A. Frieman (B.S. 1946), former director of the Scripps Institution of Oceanography Wilmot N. Hess (B.S. 1946), former director of the National Center for Atmospheric Research from 1980 to 1986 Ira Millstein (B.S. 1947), antitrust expert, partner at Weil, Gotshal & Manges and oldest big law partner in practice Bernard Spitzer (M.S. 1947), real estate developer and philanthropist, father of Eliot Spitzer, 54th Governor of New York James H. Mulligan Jr. (PhD. 1948), American electrical engineer, former executive officer of National Academy of Engineering and president of IEEE Lotfi Asker Zadeh (PhD. 1949), Iranian mathematician, electrical engineer, and computer scientist Henry Michel (B.S. 1949), Civil Engineer, President of Parsons Brinckerhoff Anna Kazanjian Longobardo (B.S. 1949), founder of the National Society of Women Engineers Edward Jaworski (B.S. 1949), Olympic water polo player who represented the United States in the 1952 Summer Olympics Edmund DiGiulio (B.S. 1950), founder of the Cinema Products Corporation, five-time Academy Awards winner, inventor of the CP-16 Eliahu I. Jury (PhD. 1953), Initiated field of discrete time systems, pioneered z-transform (the discrete time equivalent of the Laplace Transform), and created Jury stability criterion test Sheldon Weinig (M.S. 1953, PhD. 1955), CEO of Materials Research Corporation, Vice chairman for Engineering and Manufacturing for SONY America Robert Spinrad (B.S. 1953, M.S. 1954),