National Museum of Nuclear Science & History
C. J. Meyer worked for the Roane-Anderson Company.
Bonnie Pauline Hardwick Rogers worked at the Y-12 Plant, operating the machinery separating the uranium isotope U-235 from it's heavier counterpart U-238.
O'Brien worked for Stone and Webster Engineering Corporation.
Rau worked for Stone and Webster Engineering Corporation.
Johnson worked at the 100-B Area at Hanford during the Manhattan Project.