Simon Ostrach (December 26, 1923 – October 2, 2017) was an American applied mathematician and mechanical engineer.
He was a pioneer in the fields of buoyancy-driven flows and microgravity science.
[1] Ostrach was born and raised in Providence, Rhode Island.
He earned a Bachelor of Science and Master of Science in Engineering from Rhode Island State College (now University of Rhode Island), followed by an additional Master of Science and a PhD from Brown University, both in Applied Mathematics.
He was also the Wilbert J. Austin Distinguished Professor Emeritus of Engineering at Case Western Reserve University in Cleveland, Ohio.