National Museum of Nuclear Science & History
Rayburn worked at the 100-D area at Hanford during the Manhattan Project.
Betz worked at Los Alamos during the Manhattan Project.
John Crawford was a physicist and research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
J. W. Moss worked for the Union Carbide & Carbon Corporation.
Samual Watson was a machinist from Kirksy, Kentucky employed at Oak Ridge, Tennessee during the Manhattan Project.
