Stephen Timoshenko
Ukrainian-Russian engineer
Stepan Prokopovich Timoshenko, later known as Stephen Timoshenko, was an ethnic Ukrainian, citizen of the Russian Empire and later, an American engineer and academician.
He is considered to be the father of modern engineering mechanics. Wikipedia
Born: December 23, 1878, Shpotivka, Ukraine
Died: May 29, 1972 (age 93 years), Wuppertal, Germany
Spouse: Alexandra Archangelskaya (m. 1902–1946)
Education: St. Petersburg State Transport University (1896–1901), University of Michigan, and Igor Sikorsky Kyiv Polytechnic Institute
Awards: Timoshenko Medal
Parents: Yuzefina Sarnavska and Prokop Timoshenko