Gregory Hammond Olsen
Gregory Hammond Olsen is an American scientist, engineer, entrepreneur, and private astronaut. In 2005 he became the third self-funded private visitor to the International .
- Born
- April 20, 1945
- Died
- N/A
- Birthplace
- Brooklyn, New York,United States
Flights
1
Spacewalks
0
EVA time
N/A
In space
9 days, 21 hours, 15 minutes
Bio
Olsen built his career in optics, materials science, and sensor technology, including leadership at Sensors Unlimited. That scientific background mattered on orbit because his public profile was not only business success; he arrived with a career rooted in experimental technology and instrumentation.
He launched aboard Soyuz TMA-7 and returned on Soyuz TMA-6 after a short-duration ISS visit. His mission included education outreach, photography, and personal research activity while the station's long-duration crew continued normal operations.
Olsen's flight strengthened the pattern established by Dennis Tito and Mark Shuttleworth: private orbital visitors could train through the Soyuz system, live briefly aboard the ISS, and bring professional scientific or educational identities into the station environment.