National Museum of Nuclear Science & History
Philip Cooperman was a member of the Special Engineer Detachment on the Manhattan Project from 1944-1946.
Bierowski worked for Stone and Webster Engineering Corporation.
Leslie Ritner was a member of the Special Engineer Detachment at Los Alamos. He was among the first engineers sent to Los Alamos from Camp Claiborne, Louisiana in late January 1944, serving for two years before being discharged in the spring of 1946.
