Donald Roy Pettit is an American astronaut and chemical engineer best known for his orbital astrophotography and in-space inventions such as the Space Cup, which received the first ever patent for an object invented in space. He is a veteran of three long-duration missions aboard the International Space Station, one Space Shuttle mission, and a six-week expedition to find meteorites in Antarctica. As of 2026, at age 70, he is NASA's oldest active astronaut and the third oldest person to reach orbit, behind John Glenn and Larry Connor. He has accumulated 590 days in space.
Donald Pettit, American engineer and astronaut
Donald Pettit, American engineer and astronaut
On April 20, in the year 1955, Donald Pettit, American engineer and astronaut. This event is recorded as a Notable Births event in the history of April 20, one of 323 recorded events on this date across all of history.
1 notable person is associated with this event, including Donald Pettit. Learn more below.
Key Facts
- This event took place on April 20, 1955 (AD era).
- It is categorised as a Notable Births event in recorded history.
- Referenced in 1 Wikipedia article.
- 1 notable person is recorded as involved in or associated with this event.
- Wikipedia source last updated on 6 April 2026.
On This Date in History 323
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
People Involved
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