National Museum of Nuclear Science & History
H. M. Kolodkin worked for the Roane-Anderson Company.
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.
Elliott Pettigrew Jr. served in the 603rd Air Engineering Squadron.
