Douglas Edward Rosewitz, 71, passed from this life on March 4, 2018, in Tulsa, Ok. He was born in Tulsa, December 11, 1946 to Edward "Eddie" and Margaret (Childs) Rosewitz. He was a 1965 graduate of Will Rogers High School. He studied heating and cooling engineering at Okmulgee Technical College, becoming a third class engineer before progressing to First Class Stationary Building Engineer, a profession he pursued for over 40 years at various high-rise buildings and facilities in Tulsa.