Duane Graveline signed photo
Duane Edgar Graveline (M.D.) is a former NASA Astronaut. He is most famous for holding his breath for 8 minutes and 58 seconds while submerged in water in 1964. In 2006, David Blaine tried and failed to break this record.
He entered the United States Air Force Medical Service after graduation from medical college.. Dr. Graveline was granted the aeronautical rating of flight surgeon in February 1957.
He was assigned to the Aerospace Medical Research Laboratory as research scientist with special interest in prolonged weightlessness deconditioning and countermeasures. In July 1962, he returned to Brooks Air Force Base as a NASA flight controller for the Mercury and Gemini missions.