National Museum of Nuclear Science & History
Seckendorff worked for Stone and Webster Engineering Corporation.
Diana (Florence Ruth) Russell was a Manhattan Project veteran from the Hanford, Washington facility. Shortly after the end of the war, she started work reading the radiation exposure badges that all employees in the radioactive areas were required to wear.
L. F. Mayer worked for the Tennessee Eastman Corporation at the Y-12 Plant.
William Tunnell worked for the Tennessee Eastman Corporation at the Y-12 Plant.