Jeffrey Hoffman Status: Retired 11/2/1944 – Nationality: American Type: Government Agency: National Aeronautics and Space Administration Jeffrey Alan Hoffman is an American former NASA astronaut and currently a professor of aeronautics and astronautics at MIT. Hoffman 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.