C. B. Pettitt

C. A. Rolander

C. A. Rolander worked for the United States Engineer District Office.

J. D. Trimmer

J. D. Trimmer worked for the Tennessee Eastman Corporation at the Y-12 Plant.

C. Almeter

Stanley Krzyck

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