Princeton graduate. Served in Viet Nam with the U.S.Marine Corps/CIA with a little known, small group of "hunter/killers" of Viet Cong officers in the jungles of eastern Cambodia. Returned to Princeton for a PhD. Later a Senior Scientist on the Saturn 5 "Apollo" rocket engines with General Electric's former Missile & Space Division. Awarded a Rockefeller Foundation Fellowship. Employed by a top secret think tank in Washington.

Widower with two daughters. Born and raised in a small farm town in southeastern North Dakota. Live in southwest Florida at Fort Myers. Published 40+ aviation history books via Schiffer Publishing and over 50+ ebooks available through Amazon, Barnes & Noble, and my web site. Participated in several TV documentaries - in America and England. Have a collection of over 40,000 aviation photographs, the largest private historical aviation photo collections in America. Share my home with a rescue Lhasa Apso dog called "girl.".