National Museum of Nuclear Science & History
J. O'Conner worked for the Midwest Piping and Supply Company.
Esequiel “Zeke” Salazar began working at Los Alamos during the Manhattan Project. His first jobs were as a carpenter and a rod-man assisting surveyors for the Robert E.
Harry Petcher's flat feet meant he couldn't be drafted, but still had an obligation to work for the war effort.