Betty L. Butcher

C. A. Billings

C. A. Billings worked for the Tennessee Eastman Corporation at the Y-12 Plant.

L. C. Zimmerman

Stanley Krzyck

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

C. R. Jones

C. R. Jones worked for the Union Carbide & Carbon Corporation.