National Museum of Nuclear Science & History
M. A. Obermeyer worked for the J.A. Jones Construction Company.
Cyril Smith (1903-1992) was a British metallurgist. He was married to the historian Alice Kimball Smith.
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.
