Zelmar Barson

Margaret M. Emmerson

Margaret M. Emmerson was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

B. P. Ciaccio

B. P. Ciaccio served in the 509th Headquarters and Base Services Squadron.

Stanley Burriss

Frederick J. Roach

Frederick Roach served in the Army at Los Alamos during the Manhattan Project.