National Museum of Nuclear Science & History
H. R. House worked for the Union Carbide & Carbon Corporation.
John M. Sprecher was a chemical engineer. During the Manhattan Project, he worked for DuPont in Wilmington, DE.
Alberto Alarid was a truck driver who worked at Los Alamos from 1943 until 1966.
Elmira Overton worked for the United States Engineer District Office.
Ethal Moonan was a staff worker at Los Alamos during the Manhattan Project.