National Museum of Nuclear Science & History
Holmes worked at the 300 Area at Hanford during the Manhattan Project.
Grimsrud worked at the 300 Area at Hanford during the Manhattan Project.
Hugh Barnett worked for the Union Carbide & Carbon Corporation at Manhattan, NY and Oak Ridge, TN during the Manhattan Project.
H. P. Holloway worked for the Tennessee Eastman Corporation at the Y-12 Plant.
