Samuel Gosnell, Jr.

Edward F. Kolley

Edward F. Kolley was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Roy E. James

Hannibal Fraga

Hannibal Fraga was an engineer. He joined the Manhattan Project in the fall of 1944. He worked in the inspection department at Los Alamos.

Leslie L. Nemeth

Leslie Nemeth was a staff worker at Los Alamos during the Manhattan Project.