Shannon Matilda Wells Lucid (born January 14, 1943) is an American biochemist and a NASA astronaut. At one time, she held the record for the longest duration stay in space by an American, as well as by a woman. She has flown in space five times including a prolonged mission aboard the Mir space station.
Lucid was born in Shanghai, China, to Baptist missionary parents Oscar and Myrtle Wells, but grew up in Bethany, Oklahoma and graduated from Bethany High School. She attended the University of Oklahoma and obtained a Ph.D. in biochemistry from that school in 1973.
She is married to Michael F. Lucid of Indianapolis, Indiana and they have two daughters and one son, and five granddaughters.
Lucid was selected for the NASA Astronaut Corps in 1978. Of the six women in this first class with female astronauts, Lucid was the only one who was a mother at the time of being hired.
Lucid's first space flight was in June 1985 on Space Shuttle Discovery's mission STS-51-G. She also flew on shuttle missions STS-34 in 1989, STS-43 in 1991, and STS-58 in 1993.
Lucid is best known for her fifth spaceflight, when she spent 188 days in space, from March 22 to September 26, 1996, including 179 days