National Museum of Nuclear Science & History
Luzell Johnson left a factory job in Alabama for a much higher-paying one as a cement finisher at Hanford.
Elwin Covey was an assistant and protégé to Glenn Seaborg, and spent most of his time with the Manhattan Project at the X-10 plant in Oak Ridge, Tennessee.
Jack Robinson worked for the Tennessee Eastman Corporation at the Y-12 Plant.