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Theodore von Kármán, Hungarian-American mathematician, physicist, and engineer (died 1963)
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Theodore von Kármán
Hungarian-American mathematician, aerospace engineer and physicist (1881–1963)
Theodore von Kármán was a Hungarian-American mathematician, aerospace engineer, and physicist who worked in aeronautics and astronautics. He was responsible for crucial advances in aerodynamics characterizing supersonic and hypersonic airflow. The human-defined threshold of…Source: Wikipedia (CC BY-SA)
May 11
Day of the year
May 11 is the 131st day of the year in the Gregorian calendar; 234 days remain until the end of the year.Source: Wikipedia (CC BY-SA)