National Museum of Nuclear Science & History
Jose R. Valdez was a staff worker at Los Alamos during the Manhattan Project.
Richard Gaul was fresh out of high school when he arrived in Los Alamos. He was a member of the Provisional Engineer Detachment (PED).
Robert Holmberg was born in Fort Dodge, Iowa, and began working on the Manhattan Project at the Chicago Met Lab and at Ames Laboratory in Iowa.
M. M. Marshall worked for the Roane-Anderson Company.
