National Museum of Nuclear Science & History
Holman worked for Stone and Webster Engineering Corporation.
John W. Burr was a research assistant in the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.
J. A. Copeland worked for the Poe Piping & Heating Company.
Leo Seren (1918-2002) was an American physicist. Seren (in photo, first row standing, far right) was born on May 9, 1918.