National Museum of Nuclear Science & History
Appears in the 1944 Hanford Telephone Directory as “Petersen” and the 1945 Directory as “Peterson”.
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.
Malcolm E. Matthews served in the 1027th Air Material Squadron.
Anthony D. Capua, Jr. served as a sergeant in the 393rd Bombardment Squadron. He was regularly assigned as an assistant engineer/scanner in the Up An’ Atom, but did not fly in that plane in the August 1945 bombing missions on Hiroshima and Nagasaki.