National Museum of Nuclear Science & History
J. P. Valliant worked for the Union Carbide & Carbon Corporation.
Addie Saunders was a laboratory assistant in the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
M. E. Ridge worked for the United States Engineer District Office.
Annie Powell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Colonel Austin Wortham “Cy” Betts worked under General Kenneth D. Nichols during the Manhattan Project.
