National Museum of Nuclear Science & History
Irvin Mastin worked for the J.A. Jones Construction Company.
Eileen Doxford was a lab assistant at P6, an early site for the British Tube Alloys Project. After answering a radio announcement from the United Kingdom’s government science agency, the Department of Scientific and Industrial Research, she traveled to the M.
Stoner worked for Stone and Webster Engineering Corporation.
Charles Swenson worked in the shop at the Metallurgical Laboratory in Chicago during the Manhattan Project.