Margaret Rhea Seddon
Margaret Rhea Seddon is a physician and retired NASA astronaut. After being selected as part of the first group of astronauts to include women, she flew on three Space Shuttle flights as mission specialist for STS51D and STS40, and as payload commander for STS58. 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, where she graduated from Central High School in 1965. She received a bachelor of arts degree in physiology from the University of California, Berkeley, in 1970, and a doctorate of medicine from the University of Tennessee College of Medicine in 1973. While at the University of California, Seddon was a member of Sigma Kappa sorority.
Source: Wikipedia