Mechanical Engineering, Royal Technology U., Budapest, 1902. Doctor of Philisophy, University of Goettingen, Germany, 1908. Honorary Doctor of Engineering, Technology, U. Berlin, 1929, U. Liege, Belgium, 1947, Princeton, 1947, Columbia, 1948, Yale, 1951, Hebrew Institute Technology, Israel, 1952, Technische Hochschule, Aachen, 1953.
Doctor of Science, University Brussels, 1937, U. d’Aix, Marseille, 1948, U. Lille, 1953, U. Istanbul, 1953. Doctor Applied Sciences, Technische U., Berlin, 1953. Doctor of Laws, University California, 1942.
Doktor Honoris Causa, Istanbul Technology U., 1955, U. Sevilla, Spain, 1958, U. Braunschweig, 1960, Politecnico d. Torino, 1960, University Athens, 1961. Doctor of Science, Northwestern, 1956, University of Southern California, 1958, New York University, 1960, Brown University, 1960.
Came to the United States, 1930, naturalized citizen, 1936. Research engineer Ganz & Company, Germany, 1902. Assistant professor. Royal Technology U., Budapest, 1903-1906.
Privat docent, U. Goettingen, 1909-1912. Director Aero. Institute, University of Aachen, 1912-1929. Consultant Junkers Airplane Works, also Luftschiffbau Zepplin, Germany, 1924-1928.
Research associate California Institute Technology, 1928-1930, director Guggenneim Aero. laboratories, 1930-1949, director jet. propulsion laboratory, 1942-1945. Founder, chief consultant, Aerojet Engineering Corporation, now Aerojet-General Corporation, since 1942. Chairman advisory group for Aero.
Research and Development North Atlantic Treaty Organization, since 1951. Chairman scientific advisory board to chief of staff United States Air Force, 1944-1955. Consultant numerous companies and governmental agencies on aero. items, since 1930.
Has held named lectureships in several university and confs. Wright Brothers lecturer Institute Aeronautical Sciences, 1946.
Served as a first lieutenant in the Austria-Hungarian Army, 1915-1918. Honorary fellow Institute Aeronautical Sciences, Royal Aeronaut. Society; member National Academy Sciences (Rome), Royal Society London, Academy of Sciences (Paris, France), Academy of Sciences (Torino, Italy), American Society Mechanical Engineering, National Academy Science, American Philosophical Society, Academnia dei Lincei, Spanish Academy Sciences, American Association for the Advancement of Science, American Society Civil Engineers, Franklin Institute, American Ordnance Association, Air Force Association, American Geophysical Society, American Association University professors, Tau Beta Pi, Gamma Alpha Rho, Sigma Xi.
Nominated by Pope Pius XII, Pontifical Academy Sciences. Clubs: Men’s Faculty (Columbia University).