National Museum of Nuclear Science & History
C. M. Sheldon worked for the J.A. Jones Construction Company.
Ralph B. Larsen was a machinist at Los Alamos during the Manhattan Project. His wife, Ruth Anderson, also worked at Los Alamos.
Paris Howard was a member of the Special Engineering Detachment (SED) assigned to Los Alamos from May 1945 to April 1946.
Hayes worked at the 300 Area at Hanford during the Manhattan Project.
