Who were the seven astronauts on the Challenger?

Francis R. Scobee; pilot Michael J. Smith; mission specialists Ronald E. McNair, Ellison S. Onizuka, and Judith A. Resnik; and payload specialists Gregory B. Jarvis and Christa McAuliffe. You can read all about the Challenger disaster, and find links to the biographies of the seven astronauts at the link to your right.