National Museum of Nuclear Science & History
Juan Romero was a staff worker at Los Alamos during the Manhattan Project.
A. H. Barrett worked for the Kellex Corporation at the K-25 Plant.
Coullard worked in the United States Engineer District Office.
Earl Thomas was an American physicist. After receiving his Ph.D. from CalTech in 1943, he moved to New Mexico to work with the Navy on rocket design and production for the Manhattan Project.
