Dr. Jeff Hoffman became a NASA Astronaut in 1978. He participated in five space missions, becoming the first astronaut to log 1,000 hours of flights aboard the space shuttle. Dr. Hoffman has performed four spacewalks, including the first unplanned, contingency spacewalk in NASA’s history and the initial repair/ rescue mission for the Hubble Space Telescope. He was the first Jewish American male astronaut to fly into space. Over five space... see more