Gregory Olsen Autographs
Gregory Hammond Olsen (born April 20, 1945) is an American entrepreneur, engineer and scientist who, in October 2005, became the third private citizen to make a self-funded trip to the International Space Station with the company Space Adventures.
Olsen was the co-founder and chairman of Sensors Unlimited Inc., a company developing optoelectronic devices such as sensitive near-infrared (NIR) and shortwave-infrared (SWIR) cameras. One of Sensors Unlimited's major customers is NASA. Currently, Olsen is President of GHO Ventures, LLC, in Princeton, New Jersey, where he manages his angel investments, South African winery, Montana ranch, Manhattan and Miami real estate, and performs numerous speaking engagements to encourage children – especially minority and female children – to consider careers in science or engineering. He also is a physics professor at Rider University.
Olsen, born in Brooklyn, New York, was the son of an IBEW Local 3 electrician. His mother was a school teacher. He grew up in Bay Ridge and graduated from Ridgefield Park High School, Ridgefield Park, New Jersey in 1962. Olsen initially wanted to be a baseball player but realised from local little league how tough the standard was. Olsen was inspired by his father to become an electrician, always having the education at home to fix things in-house instead of calling a repairman.
Read more about Gregory Olsen on Wikipedia
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Current items with a signature of Gregory Olsen
These are the most current items with a signature of Gregory Olsen that were listed on eBay and on other online stores - click here for more items.
| Picture | Item Title | Price | Store |
 | NASA Astronaut GREGORY OLSEN Signed 4x6 Photo 3rd Private Citizen To Orbit Earth | $24.99 |  |
Traded items with a signature of Gregory Olsen
The most expensive item with a signature of Gregory Olsen (GREGORY OLSEN, 100% AUTHENTIC AUTOGRAPHED PHOTO ! ASTRONAUT & SCIENTIST, COOL !) was sold in September 2025 for $102.72 while the cheapest item (Gregory Olsen Signed 4x6 Photo Space Adventures Astronaut Autograph Auto) found a new owner for $0.26 in October 2024. The month with the most items sold (3) was May 2019 with an average selling price of $3.25 for an autographed item of Gregory Olsen. Sold items reached their highest average selling price in December 2025 with $39.95 and the month that saw the lowest prices with $0.26 was October 2024. In average, an autographed item from Gregory Olsen is worth $5.50.
Most recently, these items with a signature of Gregory Olsen were sold on eBay - click here for more items.
| Picture | Item Title | Price | Store |
 | GREGORY OLSEN Authentic Hand Signed Autograph 4x6 Photo - NASA ASTRONAUT | $0.75 |  |
| GREGORY OLSEN Authentic Hand Signed Autograph 4x6 Photo - NASA ASTRONAUT | $0.75 | |
| GREGORY OLSEN Authentic Hand Signed Autograph 4x6 Photo - NASA ASTRONAUT | $0.75 | |
| GREGORY OLSEN Authentic Hand Signed Autograph 4x6 Photo - NASA ASTRONAUT | $1.83 | |
| GREGORY OLSEN Authentic Hand Signed Autograph 4x6 Photo - NASA ASTRONAUT | $1.25 | |
| Gregory Olsen Signed 4x6 Photo Space Adventures Astronaut Autograph Auto | $0.26 | |
| Gregory Olsen Signed 4x6 Photo Space Adventures Astronaut Autograph Auto | $0.26 | |
| Gregory Olsen Signed 4x6 Photo Space Adventures Astronaut Autograph Auto | $0.26 | |
| Gregory Olsen Signed Autograph 4x6 Photo NASA Astronaut Space Auto | $2.25 | |
 | Gregory Olsen Signed Autographed Auto 4x6 Photo NASA Astronaut | $7.99 | |
| Gregory Olsen Signed Autographed Auto 4x6 Photo NASA Astronaut | $7.99 | |
| Gregory Olsen Signed Autographed Auto 4x6 Photo NASA Astronaut | $7.99 | |
| NASA Astronaut GREGORY OLSEN Signed 4x6 Photo 3rd Private Citizen To Orbit Earth | $24.99 | |
| NASA Astronaut GREGORY OLSEN Signed 4x6 Photo 3rd Private Citizen To Orbit Earth | $39.55 | |
| NASA Astronaut GREGORY OLSEN Signed 4x6 Photo 3rd Private Citizen To Orbit Earth | $39.95 | |
