National Museum of Nuclear Science & History
Parr worked in the 200 East and 100 D Areas at Hanford during the Manhattan Project.
Lester Orlan Keen worked as an engineering draftsman at Hanford during the Manhattan Project. His son, Jack Keen, was a young boy at the time.
Harold J. Lindsay served in the 393rd Bombardment Squadron.
Milton F. Rainey served in the 1027th Air Material Squadron.