William Kerslake

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William Roy Kerslake is an American Olympic wrestler and NASA engineer.

He won 15 national championships in a row in Freestyle and Greco-Roman. He won a gold medal in the 1955 Pan American Games and three times represented the United States in the Olympic Games, placing fifth, eighth and seventh from 1952 through 1960. His best result is that he ranked fifth at the freestyle wrestling event, heavyweight category, of the 1952 Summer Olympics.

Throughout his wrestling career, and afterward, he was an aerospace research engineer for NASA. He was the co-inventor of the first ion thruster for space propulsion and served as chairman of the technical committee of the AIAA.