National Museum of Nuclear Science & History
C. C. Martin worked for the Roane-Anderson Company.
Emilio Segrè (1905-1989) was an Italian physicist and winner of the 1959 Nobel Prize in Physics.
Harvey Matthioson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Joseph Caldwell was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
James Hayse worked for the Midwest Piping and Supply Company.
