National Museum of Nuclear Science & History
Julius Tabin was a physicist and a member of Enrico Fermi’s team at Los Alamos that developed the world’s first atomic bomb during World War II.
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.