Gerald D. "Gerry" Griffin (born December 25, 1934) is a former NASA flight director and director of Johnson Space Center. Born in Athens, Texas, Griffin attended Texas A&M University, where he studied aeronautical engineering. He joined NASA in 1960 and became a flight controller, specializing in guidance and navigation systems. In 1967, he became a flight director. He was lead flight director for Apollo 12, Apollo 15, and Apollo 17, and played an important role in the resolution of the Apollo 13 crisis. He was awarded the Presidential Medal of Freedom, along with the astronauts and the rest of the technical support team for this service.