National Museum of Nuclear Science & History
Fred Brownell worked for the Comstock-Bryant Electric Company.
Alfred Pfanstiehl was a junior physicist at the Chicago Met Lab during the Manhattan Project. Pfanstiehl was a signatory of the Szilard Petition, an attempt to avert military use of the atomic bomb against Japan.
Paul Tinsley worked for the H. K. Ferguson Company.
Reba Holmberg grew up in Robertsville, Tennessee, and experienced its claiming by the federal government for the Manhattan Project.
