National Museum of Nuclear Science & History
Sievers worked at the 300 Area at Hanford during the Manhattan Project.
George Hyde was a chemist assigned to the Y-12 Plant in Oak Ridge, Tennessee from February 1944 to the end of the war.
Manuel Schwartz was a physicist. He worked at Los Alamos as a civilian employee from about July 6, 1944, until January or February 1946.
Richard Stephens worked for the United States Engineer District Office.
