National Museum of Nuclear Science & History
R. Y. Blackwell worked for the Fercleve Corporation.
Robert A. Friedman served in the 603rd Air Engineering Squadron.
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.
Johnston worked at the 300 Area at Hanford during the Manhattan Project.
William Rubinson was a chemist at the Metallurgical Laboratory in Chicago during the Manhattan Project.
