National Museum of Nuclear Science & History
H. C. Young worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Gertrude Nissenbaum was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) 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.
Walker worked at the 100-D Area at Hanford during the Manhattan Project.