Veteran astronaut and explorer Dr. Scott Parazynski is a physician and published expert in the field of space physiology, with particular expertise in human adaptation to stressful environments. His distinguished flying career spans 17 years at NASA, during which time he completed more than 47 hours on spacewalks, over eight weeks in Space, and travelled 23 million miles in orbit. Scott is also an accomplished inventor, pilot, scuba diver and Himalayan mountaineer.
Image credit: NASA
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