National Museum of Nuclear Science & History
W. E. Shedden worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Kistler worked in the 200 West Area at Hanford 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.
L. E. Johnston worked for the United States Engineer District Office.
Heffner worked at the 200 East Area at Hanford during the Manhattan Project.