Richard S. Guenther

Ralph B. Larsen

Ralph B. Larsen was a machinist at Los Alamos during the Manhattan Project. His wife, Ruth Anderson, also worked at Los Alamos.

Lorraine M. Rehpohl

Lorraine Rehpohl was a staff worker at Los Alamos during the Manhattan Project.

Bernice Lish

James Chapman

James R. Chapman was an engineer working for Stone & Webster when he was recruited to work on the Manhattan Project.