National Museum of Nuclear Science & History
Joseph Hirschfelder was an American physicist. He held doctorates in physics and chemistry from Princeton University.
Coogler worked at the Oak Ridge project site during the Manhattan Project as a member of the U.S. Army Corps of Engineers.
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.
