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.
J. H. Marsh worked for the Kellex Corporation at the K-25 Plant.
John Weil was a member of the Special Engineer Detachment serving at Los Alamos from early 1943 through the end of the war.
John “Jack” Carleton Healey, a colonel in the U.S. Air Force, participated in the Manhattan Project as part of General Groves’ staff in Washington, DC.
