National Museum of Nuclear Science & History
L. E. Burhart worked for the Tennessee Eastman Corporation at the Y-12 Plant.
H. G. Kercher worked for the J.A. Jones Construction Company.
Joseph Hirschfelder was an American physicist. He held doctorates in physics and chemistry from Princeton University.
Emma Tolmach was a technician in the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Hankal worked for Stone and Webster Engineering Corporation.
