National Museum of Nuclear Science & History
A. C. Smythe worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Mann worked in the 200 West Area at Hanford during the Manhattan Project.
C. P. Coleman worked for the J.A. Jones Construction Company.
John Brand joined the Manhattan Project in 1943 while working at the Ilion, N.Y. plant of Remington Arms, Co.