Margaret Rhea Seddon
Overview
 
Margaret Rhea Seddon is a physician and retired NASA
NASA
The National Aeronautics and Space Administration is the agency of the United States government that is responsible for the nation's civilian space program and for aeronautics and aerospace research...

 astronaut
Astronaut
An astronaut or cosmonaut is a person trained by a human spaceflight program to command, pilot, or serve as a crew member of a spacecraft....

. After being selected as part of the first group of astronauts to include women, she flew on three Space Shuttle
Space Shuttle
The Space Shuttle was a manned orbital rocket and spacecraft system operated by NASA on 135 missions from 1981 to 2011. The system combined rocket launch, orbital spacecraft, and re-entry spaceplane with modular add-ons...

 flights: as mission specialist for STS-51-D
STS-51-D
STS-51-D was the sixteenth flight of NASA's Space Shuttle program, and the fourth flight of Space Shuttle Discovery. The launch of STS-51-D from Kennedy Space Center , Florida, on 12 April 1985 was delayed by 55 minutes, after a boat strayed into the restricted Solid Rocket Booster recovery zone...

 and STS-40
STS-40
-Mission parameters:*Mass:**Orbiter landing with payload: **Payload: *Perigee: *Apogee: *Inclination: 39.0°*Period: 90.4 min-Mission highlights:Launch originally set for 22 May 1991...

, and as payload commander for STS-58
STS-58
STS-58 shuttle mission of Space Shuttle Columbia launched from Kennedy Space Center, Florida, on 18 October 1993. It was also the last time Columbia would land at Edwards Air Force Base.-Crew:-Mission parameters:*Mass:...

. Both before and after her career in the astronaut program, she has been active in the medical community in Tennessee, Mississippi and Texas.
Seddon was born in Murfreesboro, Tennessee
Murfreesboro, Tennessee
Murfreesboro is a city in and the county seat of Rutherford County, Tennessee, United States. The population was 108,755 according to the United States Census Bureau's 2010 U.S. Census, up from 68,816 residents certified during the 2000 census. The center of population of Tennessee is located in...

, where she graduated from Central High School in 1965.
 
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