Biographical Memoirs Volume 53 (1982) / Chapter Skim
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Pages 322-349
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Timoshenko," in: Biographical Memoirs of Fellows of the Royal Society, vol. 19 (London: The Royal Society, 1973)
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324 BIOGRAPHICAL MEMOIRS apartment there in which young Stephen and a friend] lived, together with Stephen's grandmother.
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At that time, he was serving in the Mechanics Laboratory of the Ways of Communication Institute, where, in addition to his duties in testing of materials, he also participated in supplementary lectures in mathematics given by Professors Stanevich and Bobylev, among others. This noncompulsory program of studies seems to have been important: it brought him into contact with several young physicists, and he also began to attend the sessions of the Physical Society.
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Stephen P Timoshenko, As I Remember (New York: Van Nostrand, 1968)
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his studies at Gottingen, extending them to potential theory, thermodynamics, anti other areas, while continuing his work on elastic stability and buckling. In the fall of 1906 he was appointed to the Chair of Strength of Materials at the Polytechnic Institute in Kiev.
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He was also invited to teach at the Ways of Communication Institute, * This illustrates again the courage and solidarity of the Russian men of science, who awarded their top prize to a man dismissed from his job.
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this task completecl and went off with his family on a well-earned vacation at Khapsalw on the Baltic. There he completed the proofreading of Theory of Elasticity anti also continued his work on elastic stability relatecI to ship structures.
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330 BIOGRAPHICAL MEMOIRS intensifier] his consulting work, now clirectec!
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them published in England. Through this process the name of Timoshenko began to be known to workers in applied mechanics.
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The years of his widening influence in applied mechanics hac! begun.
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He continuer! his contacts with Westinghouse as a consultant, making frequent trips to East Pittsburgh during the early years.
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~ ~ 9601. Beginning with the Jourowski Medal and Prize for his opus on elastic stability in 191 I, he received one more award in Russia: the Salov Prize for his article on "Stresses in RailType Tracks" in 1945.
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He was the first recipient of the Timoshenko Medal, instituted in his honor by the American Society of Mechanical Engineers in 1957, and he received the lames Ewing Mecial from the British Institution of Civil Engineers in 1963. THE EARLY YEARS AT WESTINGHOUSE With Timoshenko's arrival at Westinghouse in ~ 922, there was assembled in East Pittsburgh a remarkable group of young people, engaged partly to aid in the educational program of the design schools and partly to participate in research in the laboratory or to function as consultants, and sometimes as participants, in the design departments.
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Timoshenko was clearly the key addition. He is sometimes thought of as the sole originator of this intellectual revival, but it is no reflection upon his contributions to observe that it had started before him and covered a range of science far beyond the narrower field of applied mechanics.
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Many such periods have come and gone since, but to us, young men of the early twenties, those years in c;Ireary anct sooty East Pittsburgh on Turtle Creek have a sheen of their own. CONCLUSION On his arrival at East Pittsburgh in 1923, Timoshenko thus entered an intellectual environment that seems to have been macle expressly for him anc!
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M Eaton anti John Lesselis he was one of the enthusiastic founders of the Applied Mechanics Division of the American Society of Mechanical Engineers, perhaps one of the most significant contributions to come from that Society.
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When confronted with examples of American colloquialisms, his favorite expression was a quizzical "What means this? " Some of us who tract the opportunity to accompany him to international conferences the Congress of Applied Mechanics in Zurich in 1926 is an example also were privileged to sense the enormous range of his acquaintances in the scientific world, acquired cluring his years of travel.
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In the perspective of more than a half century, Timoshenko's great influence upon applied science and technology in America resulted less from his original, creative discoveries than from his ideals of engineering education, his superb skill as a teacher, and his highly cleveloped pragmatic skill in using fragments of exact solutions for a variety of approximate solutions to difficult problems in applied mechanics. Examples of this are his skillful use of the solutions for beams on elastic foundations to problems such as railroad rails anti to details of machinery such as highly stressed dovetail joints.
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Young, "Stephen P Timoshenko 1878-1972," Applied Mechanics Review, July 1972.
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Inst., 7: 145-57. Forced vibration of prismatic bars.
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Use of stress functions to study flexure and torsion of prismatic bars.
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1919 Use of trigonometric series for calculation of suspension bridges.
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Stress concentration produced by holes and fillets.
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Stress concentration produced by fillets and holes. In: Proceedings of the Second Congressfor Applied Mechanics, pp.
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Mech., 2:A 17-A20. 1936 Theory of Elastic Stability.
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In: Theodore von Karman Anniversary Volume, Contributions in Applied Mechanics, pp.
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New York: D Van Nostrand Co.
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