National Museum of Nuclear Science & History
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.
William Haag was a member of the Special Engineering Detachment at Los Alamos from August 1945 to the end of 1946.
