National Museum of Nuclear Science & History
Collins worked as a typist at the Y-12 plant at Oak Ridge during the Manhattan Project.
Grace Wallace worked for the United States Engineer District Office.
Louis Slotin (1910-1946) was a Canadian physicist. Shortly after World War II, he died from radiation sickness contracted during a dangerous experiment conducted at Los Alamos.
Joe P. Tobias served in the 1395th Military Police Aviation.