National Museum of Nuclear Science & History
J. E. Davidson worked for the J.A. Jones Construction Company.
Parr worked in the 200 East and 100 D Areas at Hanford during the Manhattan Project.
Harrie Massey (1908-1983) was an Australian physicist. A brilliant student of physics, Massey arrived from his native Australia at Cambridge College in the United Kingdom on an academic scholarship.
Floyd L. Hatch served in the 1027th Air Material Squadron.
