Daniel T. Barry (M.D., Ph.D.) is a former NASA astronaut who was a crew member aboard the Space Shuttles Discovery and Endeavor. He logged more than 734 hours in space, including four spacewalks totaling 25 hours and 53 minutes. He holds a BS degree in electrical engineering from Cornell University; a master’s of engineering degree and a master of arts degree in electrical engineering/computer science from Princeton University; a doctorate in electrical engineering/computer science from Princeton University; and a doctorate in medicine from the University of Miami in 1982.

Organizations to which he belongs include the Institute of Electrical and Electronic Engineers (IEEE), the American Association of Electrodiagnostic Medicine (AAEM), the American Academy of Physical Medicine and Rehabilitation (AAPMR), the Association of Academic Physiatrists (AAP), and the Association of Space Explorers. He holds five patents, has written 50 articles in scientific journals, and has served on two scientific journal editorial boards.

Dr. Barry retired from NASA in April 2005 to start his own company, Denbar Robotics, where he currently builds robots. Dr. Barry currently lives in South Hadley, MA.