Stepan Tymoshenko (12.22.1878, v. Shpotovka, Konotop district of Poltava province, now Sumy region - 05.29.1972, Wuppertal, Germany) - a world-renowned scientist and engineer, one of the founders of the Academy of Sciences of Ukraine, Academician of the Ukrainian Academy of Sciences (elected: 14.11 .1918). He worked in the KPI in 1907-1911 and in 1917-1920, In 1909-1911 - Dean of mechanical and civil engineering departments KPI, in 1906-1911, 1918-1920 - Professor, Department of Strength of Materials, in 1919-1920 - the first director of the Institute of Technical Mechanics (now the Institute of Mechanics of National Academy of Sciences of Ukraine named after S.P.Timoshenko).
In 1920 S.P.Timoshenko emigrated to Yugoslavia, in 1922 he moved to the United States. From 1923 till 1927 he was the scientific consultant company "Westinghouse", in 1927-1936 - Professor, University of Michigan; 1936-1943 - Head of the Department of Mechanics, 1943-1960 - Professor of Mechanics at Stanford University (California). From 1960 to 1972 he lived in Germany.
Honorary Member of the Academies of Sciences, scientific societies, honorary doctor of many universities around the world. He was awarded the prestigious names medals for achievements in science and technology.
Main directions of his research were: basic research problems of solid mechanics, strength, stability and vibrations of mechanical systems. His fundamental research on strength of materials, the application of the theory of elasticity and the theory of oscillations ahead of their time and found the full practical use in the creation of modern aerospace engineering, civil engineering and shipbuilding. His scientific works are relevant today, his books have been translated into many foreign languages, they are used for the training of mechanical engineers worldwide.
