National Museum of Nuclear Science & History
Julius “Osty” Ostspowicz was a glassblower in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
E. N. Stirewalt worked for the United States Engineer District Office.
Bolling was a supervisor at the Y-12 plant at Oak Ridge during the Manhattan Project.
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.