National Museum of Nuclear Science & History
Roy Schroeder was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Robert JS Brown was a member of the Special Engineer Detachment at Los Alamos. He worked under Don Hornig on the electrical aspects of detonation for the plutonium bomb.
Max Wishnefski worked for the United States Engineer District Office.
Attended the University of Maryland.
Mack worked at the 300 Area at Hanford during the Manhattan Project.