National Museum of Nuclear Science & History
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.
McCann worked in the 200 East Area at Hanford during the Manhattan Project.
Richard Recker served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.