Theodore R. Geren

J. X. Myers

Myers worked in the 300 Area at Hanford during the Manhattan Project.

Maxwell B. Sherman

Harold B. Nilling

Harold B. Nilling was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Frank Karcher

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