C. H. Hemmel, Jr.

F. Vaughn

Vaughn worked at the 200 West Area at Hanford during the Manhattan Project. 

Vern F. Denton

Vern Denton worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Marietta C. Moore

Marietta C. Moore was a technician in the Health Division at the University of Chicago Met Lab. She signed the Szilard petition.

Leonard S. Levinson