Jeffrey A. Hoffman

Dr. Jeffrey Hoffman is retired astronaut and MIT Professor of Aeronautics and Astronautics. While at NASA he made five flights as a space shuttle astronaut, including the first mission to repair the Hubble Space Telescope in 1993, when the orbiting telescope's flawed optical system was corrected. Trained as an astrophysicist, he also flew on 1990 Spacelab shuttle mission that featured the ASTRO-1 ultraviolet astronomical observatory in the shuttle's payload bay. Over the course of his five missions he logged more than 1,211 hours and 21.5 million miles in space. Over the years he has been involved with the ASTRO-1 ultraviolet astronomy laboratory, the Italian Tethered Satellite System (TSS), and the HEAO-1 A4 hard x-ray and gamma ray experiment.