National Museum of Nuclear Science & History
Rolland Perry was a staff worker at Los Alamos during the Manhattan Project.
Sergeant James T. Harris was a member of the Special Engineer Detachment stationed at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Joseph Largur served in the 603rd Air Engineering Squadron.
Rex Edward Keller was a member of the Special Engineering Detachment, assigned to work in Seth Neddermeyer’s chemistry group at Los Alamos.
