Roy R. Manstan

Roy R. Manstan, author with Fred Frese of TURTLE: David Bushnell’s Revolutionary Vessel, retired from the Naval Undersea Warfare Center in 2006 where he was a mechanical engineer and diving officer for the Engineering and Diving Support Unit. Manstan, seen here emerging from a replica of Bushnell’s Turtle, holds a bachelor’s degree from Lafayette College and master’s degrees from the University of Connecticut and Connecticut College. (Jerry Roberts)