Over 975 hours in space define the career of Kathryn C. Thornton, a physicist and former astronaut who participated in four shuttle missions. Her service included extensive extravehicular activity and technical roles within the National Aeronautics and Space Administration, spanning a period of flight assignments that concluded with her departure from the agency in 1996.
Academic Foundation and Early Research
Born in 1952 in Montgomery, Alabama, Thornton graduated from Sidney Lanier High School in 1970. She pursued physics at Auburn University, completing a Bachelor of Science in 1974 and a Master of Science in 1977. She earned her Doctor of Philosophy in physics from the University of Virginia in 1979. Following her doctorate, she conducted research at the Max Planck Institute for Nuclear Physics in Germany via a NATO Postdoctoral Fellowship. By 1980, she was employed as a physicist at the United States Army Foreign Science and Technology Center in Charlottesville, Virginia.
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Selected as an astronaut candidate in 1984, Thornton gained full status in 1985. Her flight history began with STS-33 in 1989. She later flew on the maiden flight of Space Shuttle Endeavour, STS-49, in 1992, where she performed spacewalks to test assembly techniques for a future space station. During the 1993 STS-61 mission, she assisted in the repair of the Hubble Space Telescope. Her final space flight occurred in 1995 on STS-73, where she served as payload commander for the second United States Microgravity Laboratory mission, logging over 15 days in orbit.
Post-NASA Career and Academic Leadership
After leaving NASA in August 1996, Thornton transitioned to academia at the University of Virginia. She served as a professor of mechanical and aerospace engineering and held the position of associate dean for graduate programs within the School of Engineering and Applied Science. She achieved the status of Professor Emerita upon her retirement in 2019. Beyond the university, she served on the board of the Space Foundation, including a term as chairwoman from 2020 to 2022, and completed a through-hike of the Appalachian Trail in October 2019.
Fast facts
- Born: 1952, Montgomery, Alabama
- Education: Auburn University, University of Virginia
- NASA selection: May 1984
- Space flight missions: STS-33, STS-49, STS-61, STS-73
- Total space time: Over 975 hours
- Extravehicular activity: More than 21 hours
- Awards: NASA Distinguished Service Medal (1996)
- Hall of Fame induction: 2010
Questions readers ask
What was the focus of Thornton's final space mission?
STS-73 focused on materials science, biotechnology, combustion science, and the physics of fluids within the Spacelab module.
When was Kathryn C. Thornton inducted into the United States Astronaut Hall of Fame?
She was inducted as part of the 2010 class.
Achievements
- United States Astronaut Hall of Fame
- Affiliated with National Aeronautics and Space Administration and University of Virginia
- Educated at Auburn University, University of Virginia and Sidney Lanier High School
- Worked as astronaut, physicist and university teacher
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