National Museum of Nuclear Science & History
John Brand joined the Manhattan Project in 1943 while working at the Ilion, N.Y. plant of Remington Arms, Co.
F. M. Tench worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Butler worked at the 300 Area at Hanford during the Manhattan Project.
Leona Woods, later Leona Woods Marshall and Leona Marshall Libby, was perhaps the most well-known woman scientist working on the Manhattan Project.