National Museum of Nuclear Science & History
Willingham worked at the 200 West Area at Hanford during the Manhattan Project.
William L. Murphy was a Technical Sargeant in the US Army who worked as part of Project Alberta, the team that transported and assembled the two atomic bombs in July and August 1945.
Luzell Johnson left a factory job in Alabama for a much higher-paying one as a cement finisher at Hanford.
