National Museum of Nuclear Science & History
E. L. Wagner worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Johnson worked at the 100-F Area at Hanford during the Manhattan Project.
Barrett worked for Stone and Webster Engineering Corporation.