Kathryn C. Thornton

Kathryn Ryan Cordell Thornton is an American scientist and a former NASA astronaut with over 975 hours in space, including 21 hours of extravehicular activity. She was the associate dean for graduate programs at the University of Virginia School of Engineering and Applied Science, as well as a professor of mechanical and aerospace engineering before her retirement in 2019. She is now Professor Emerita.

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