National Museum of Nuclear Science & History
E. L. Douglas worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Roald Wangsness was a staff worker at Los Alamos during the Manhattan Project.
F. L. Shanklin worked for the Union Carbide & Carbon Corporation.
McCann worked in the 200 East Area at Hanford during the Manhattan Project.
John Perry Howe, Jr. was Associate Director at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.