National Museum of Nuclear Science & History
Marion L. Arnold was a staff member at Los Alamos during the Manhattan Project.
Bruno Yurgaites was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
J. C. Rieder worked for the J.A. Jones Construction Company.
Browning Middleton worked for Clinton Laboratories at the X-10 Reactor.
John William Healy (1920-2001) worked in the field of radiation safety at Hanford during the Manhattan Project and at Los Alamos National Laboratory.
