National Museum of Nuclear Science & History
Attended the University of Wisconsin.
R. A. Mathews worked for the United States Engineer District Office.
Captain Frederick Bock had flown many combat missions out of India and China before he was selected to be a part of the the 509th Composite Group in 1944.
Arthur Weisberg was a mechanical engineer with the Special Engineer Detachment assigned to the Metallurgical Lab at the University of Chicago.