National Museum of Nuclear Science & History
Hope Sloan was 25 in 1944, a dark-haired WAC corporal and secretary in military intelligence. In July, she joined the construction camp's morale-building effort by entering a beauty contest, part of an "exposition "promoting safety on and off the job.
Richard McNamara served as a 2nd lieutenant in the 393rd Bombardment Squadron of the 509th Composite Group.
Hymer Friedell was the deputy medical director of the Manhattan Engineer District at Oak Ridge. He worked closely with Robert Stone and Stafford Warren in studying the effects of radiation on the human body.