National Museum of Nuclear Science & History
E. G. Olsen worked for the United States Engineer District Office.
Hope worked at 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.
George Kehl was a metallurgist and professor at Columbia University’s School of Mines. He worked at Los Alamos on the Manhattan Project.