of forty-five was a questionable risk.It is somewhat ironic to note that eleven years later, no questions of age were raised! Timoshenko received many honors and awards in recognition of his outstanding professional accomplishments.He received honorary doctor's degrees from the University of Turin(1960),Zagreb University (1956),University of Bologna(1954). University of Glasgow (1951),Munchen Technische Hochschule(1949),Swiss Federal Institute of Technology,Zurich(1947),University of Michigan(1938),and Lehigh University (1936).He was elected to memberships in the following national academies and societies(dates are the years in which elected):Academia Nazionale dei Lincei, Rome(1948);Royal Society,London(1944);U.S.National Academy of Science(1941); French Academy of Science(1939),American Philosophical Society(1939);Polish Academy of Technical Sciences(1935);Russian Academy of Science(1928);and Ukrainian Academy of Science(1918).In addition,he was a member of the following professional societies:American Society of Mechanical Engineers,Society for Experimental Stress Analysis,American Institute of Aeronautics and Astronautics, American Geophysical Union,American Mathematical Society,American Association for the Advancement of Science,Society of Automotive Engineers,American Society for Engineering Education(Honorary Member),Gesellschaft fur Angewandte Mathematik und Mechanik,Verein Deutscher Ingenieure,and Honorary Foreign Member of the Association des Ingenieurs-Docteurs de France. He was awarded numerous medals during his lifetime,the last of which was the James Ewing Medal awarded by the Institution of Civil Engineers of Great Britain in 1963.Previously,he received the Cresson Medal (1958)and the Levy Medal (1944) from the Franklin Institute,the Trasenster Medal(1948)from the Association des Ingenieurs Sortis de l'Ecole de Liege,the James Watt International Medal(1947)from the Institution of Mechanical Engineers of Great Britain,the Grande Medaille(1947) from the Association des Ingenieurs-Docteurs de France,the Lamme Medal (1939) from the American Society for Engineering Education,the Worcester Reed Warner Medal(1935)from the American Society of Mechanical Engineers,the Salow Prize (1915)awarded in Russia,and the Jourawski Medal (1911)from the Institute of Engineers of Ways of Communication. In 1957 the American Society of Mechanical Engineers established the Timoshenko Medal in his honor,and he was the first recipient of this annual award because "by his invaluable contributions and personal example,he guided a new era in applied mechanics. On his sixtieth birthday,Timoshenko was honored by the publication of a special volume of twenty-eight papers in applied mechanics dedicated to him.Published by the Macmillan Company in 1938,it was titled "Stephen Timoshenko-60th Anniversary Volume."Most of his own research papers were reprinted in "The Collected Papers of Stephen P.Timoshenko,a 642-page volume published in 1953 by McGraw-Hill. Timoshenko was a founder of the Applied Mechanics Division of the American Society of Mechanical Engineers and was influential in starting the "Journal of Appliedof forty-five was a questionable risk. It is somewhat ironic to note that eleven years later, no questions of age were raised! Timoshenko received many honors and awards in recognition of his outstanding professional accomplishments. He received honorary doctor’s degrees from the University of Turin (1960), Zagreb University (1956), University of Bologna (1954), University of Glasgow (1951), München Technische Hochschule (1949), Swiss Federal Institute of Technology, Zurich (1947), University of Michigan (1938), and Lehigh University (1936). He was elected to memberships in the following national academies and societies (dates are the years in which elected): Academia Nazionale dei Lincei, Rome (1948); Royal Society, London (1944); U.S. National Academy of Science (1941); French Academy of Science (1939), American Philosophical Society (1939); Polish Academy of Technical Sciences (1935); Russian Academy of Science (1928); and Ukrainian Academy of Science (1918). In addition, he was a member of the following professional societies: American Society of Mechanical Engineers, Society for Experimental Stress Analysis, American Institute of Aeronautics and Astronautics, American Geophysical Union, American Mathematical Society, American Association for the Advancement of Science, Society of Automotive Engineers, American Society for Engineering Education (Honorary Member), Gesellschaft für Angewandte Mathematik und Mechanik, Verein Deutscher Ingenieure, and Honorary Foreign Member of the Association des Ingénieurs-Docteurs de France. He was awarded numerous medals during his lifetime, the last of which was the James Ewing Medal awarded by the Institution of Civil Engineers of Great Britain in 1963. Previously, he received the Cresson Medal (1958) and the Levy Medal (1944) from the Franklin Institute, the Trasenster Medal (1948) from the Association des Ingénieurs Sortis de l'École de Liège, the James Watt International Medal (1947) from the Institution of Mechanical Engineers of Great Britain, the Grande Médaille (1947) from the Association des Ingénieurs - Docteurs de France, the Lamme Medal (1939) from the American Society for Engineering Education, the Worcester Reed Warner Medal (1935) from the American Society of Mechanical Engineers, the Salow Prize (1915) awarded in Russia, and the Jourawski Medal (1911) from the Institute of Engineers of Ways of Communication. In 1957 the American Society of Mechanical Engineers established the Timoshenko Medal in his honor, and he was the first recipient of this annual award because "by his invaluable contributions and personal example, he guided a new era in applied mechanics." On his sixtieth birthday, Timoshenko was honored by the publication of a special volume of twenty-eight papers in applied mechanics dedicated to him. Published by the Macmillan Company in 1938, it was titled "Stephen Timoshenko – 60th Anniversary Volume." Most of his own research papers were reprinted in "The Collected Papers of Stephen P. Timoshenko," a 642-page volume published in 1953 by McGraw-Hill. Timoshenko was a founder of the Applied Mechanics Division of the American Society of Mechanical Engineers and was influential in starting the "Journal of Applied