National Museum of Nuclear Science & History
O. B. Rogers worked for the J.A. Jones Construction Company.
Frank Suazo was a part of the civilian support staff at Los Alamos from August 1942 to May 1954. A New Mexico native, Suazo helped prepare meals for the scientists and workers of Los Alamos, as well as painting many of the site's buildings and laboratories.
Kittrell worked for Stone and Webster Engineering Corporation.
James A. Rafferty was born in Chicago, Illinois on May 4th, 1886. Rafferty attended the Lewis Institute of Technology where he pursued engineering and chemistry.