"Timoshenko, Stephen Prokofyevich"@en . . "Ukrainian-American engineer" . "Stepan Prokopovych Timoshenko"@en . "1972Z"^^ . . . . "\u0422\u0438\u043C\u043E\u0448\u0435\u043D\u043A\u043E \u0421\u0442\u0435\u043F\u0430\u043D \u041F\u0440\u043E\u043A\u043E\u043F\u043E\u0432\u0438\u0447"@en . . "1878-12-22Z"^^ . "Stephen Timoshenko"@en . . . "Stepan Prokopovych Tymoshenko (Ukrainian: \u0421\u0442\u0435\u043F\u0430\u043D \u041F\u0440\u043E\u043A\u043E\u043F\u043E\u0432\u0438\u0447 \u0422\u0438\u043C\u043E\u0448\u0435\u043D\u043A\u043E, Russian: \u0421\u0442\u0435\u043F\u0430\u043D \u041F\u0440\u043E\u043A\u043E\u0444\u044C\u0435\u0432\u0438\u0447 \u0422\u0438\u043C\u043E\u0448\u0435\u043D\u043A\u043E) (December 22, 1878 \u2013 May 29, 1972), was a Russian Empire and United States engineer of Ukrainian origins. He is believed to be the father of modern engineering mechanics. A founding member of the Ukrainian Academy of Sciences, Timoshenko wrote seminal works in the areas of engineering mechanics, elasticity and strength of materials, many of which are still widely used today."@en . "1972-05-29Z"^^ . . . "1878Z"^^ . . . . . . .