National Museum of Nuclear Science & History
Mathis worked for Stone and Webster Engineering Corporation.
John Douglas Cockcroft was a British physicist and recipient of the 1951 Nobel Prize in Physics. He was a member of the Tizard Mission to the United States in the autumn of 1940.
William Hinch was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Frank Fessenden worked for the Tennessee Eastman Corporation at the Y-12 Plant.