National Museum of Nuclear Science & History
Florence Roache worked for the United States Engineer District Office.
Sappenfield worked at the 300 Area at Hanford during the Manhattan Project.
Gray worked at the 300 Area at Hanford during the Manhattan Project.
Felix Bloch was a Swiss physicist and the winner of the 1952 Nobel Prize. Bloch was born in 1905 in Zurich, Switzerland.
R. W. McElwee worked for the Union Carbide & Carbon Corporation.
