Career
He is the author of GURPS Lensman: Starkly Astounding Space-Opera Adventure, a book of role-playing instructions carefully based upon the Lensman series by Electrical Engineer Smith, and authorized by Doctor Smith"s literary executor, Verna Smith Trestrail. He was a nucleonicist on the United States Ship Ohio (SSBN-726), and senior health physicist on the Three Mile Island Unit Two Recovery Team.