National Museum of Nuclear Science & History
H. W. Brackney worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ambroso Hoelscher was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Mortimer Schwartz served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Baumann worked in the United States Engineer District Office.
