Grant David Callin is part of the hard science fiction stream of authors. He sometimes goes by the pseudonym Flash Richardson. Callin graduated from the Air Force Academy in 1963, and retired from the service in 1984. He holds a bachelor's degree in basic sciences, and advanced degrees in space physics, physiology and biophysics. An amateur astronomer, he built his own 8-inch telescope and does some astrophotography. As of 1986, he worked for Boeing Aerospace Company as a research analyst, involved with the work on the NASA Space Station Program. He is currently in retirement in Sammamish, WA. 

January 1st, 1941 in (Age 83)