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Peggy Whitson      

NASA Astronaut; NASA's Most Experienced Female Astronaut; Biochemistry Researcher

Peggy Whitson is a retired NASA astronaut and a former NASA Chief Astronaut. She is also a biochemistry researcher. Although she had been working with NASA since 1989 in various biochemistry-related positions, her first space mission was in 2002 as a member of Expedition 5 onboard the International Space Station.

In 2007, Whitson became the first female commander of the International Space Station. Currently, Whitson holds several records, including oldest woman ever in space and longest single space flight by a woman. When Whitson retired from NASA on June 15, 2018, she was NASA’s most experienced astronaut to date, having accrued 665 days in space.

Whitson was included in Time magazine's 100 Most Influential People of 2018.

In June 2020, Whitson was a guest on an ABC-TV "To Tell the Truth" episode in which Patti LaBelle correctly selected her as the record-holding time in space astronaut.

She holds a Bachelor of Science degree in Biology/Chemistry from Iowa Wesleyan College, as well as a Doctorate in Biochemistry from Rice University.


How 10 years of rejection by NASA taught Peggy Whitson to be a ...
Retired NASA Chief Astronaut Peggy Whitson may have spent more time in space than any other American, but she wouldn't mind another jaunt past Earth's  ...

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