H.J. Sinclair

R. R. Astelford

C. W. Winter

C. W. Winter worked for the Union Carbide & Carbon Corporation.

C. J. Hebert

Hebert worked at the 300 Area at Hanford during the Manhattan Project.

Lomie F. Caho

Lomie F. Caho was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.