Margaret Rhea Seddon. M.D.


()Murfreesboro’s Rhea Seddon became an NASA Astronaut in 1979. She is a veteran of three space flights with more than 722 hours in space. Dr. Seddon was a mission specialist on STS-51D in 1985, STS-40 in 1991 and she was the Payload Commander on STS-58 in 1993.