National Museum of Nuclear Science & History
Barry worked in the United States Engineer District Office.
Lawrence Litz was a young physicist when he began working on radioactivity at the Metallurgical Laboratory at the University of Chicago.
M. E. Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Alfred Zuk was a member of the Special Engineer Detachment assigned to the 509th Composite Group in Wendover, Utah from 1944 to 1945.
Roy Greenlee was a chemist at the University of Chicago Metallurgical Lab and at Oak Ridge, Tennessee.