National Museum of Nuclear Science & History
H. R. House worked for the Union Carbide & Carbon Corporation.
Mumford worked in the 200 East Area at Hanford during the Manhattan Project.
John M. Sprecher was a chemical engineer. During the Manhattan Project, he worked for DuPont in Wilmington, DE.
Rosalyn Thomas was a staff worker at Los Alamos during the Manhattan Project.
A. T. Sampson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
