Gregory Hammond "Greg" Olsen 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 and shortwave-infrared 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, 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. 

April 20th, 1945 in New York City (Age 79)