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Become a nitrogen atom in the nitrogen cycle in our Traveling Nitrogen Classroom Activity Kit/Game. See all our games, activity kits and classroom activities.
Portrait of William Readdy
NASA

William Readdy

William Readdy is an American astronaut who was born on January 24, 1952, in Rhode Island. Before he became an astronaut, Readdy served as a Navy fighter pilot. He has logged over 5000 hours of flight time.

Readdy became an astronaut in 1987. He has spent over 672 hours in space on three spaceflights.

In 1992, Readdy flew aboard STS-42. This flight held the first International Microgravity Lab. The crew conducted over 55 experiments. Readdy made his second flight aboard STS-51 in 1993. This was a Spacelab mission. In 1996, he flew aboard STS-79. The crew docked with the Russian Mir Space Station for 8 days.


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