National Museum of Nuclear Science & History
H. G. Arnett worked for the Roane-Anderson Company.
Philipp Klein was a part-time switchboard operator in the SAM Lab while studying chemical engineering at Columbia University.
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.
R. C. Hutcherson worked for the J.A. Jones Construction Company.
