National Museum of Nuclear Science & History
M. S. Headley worked for the J.A. Jones Construction Company.
Chester S. Krajczynski served in the 603rd Air Engineering Squadron.
Wilber A. Stevens was an army officer in charge of overseeing construction at Los Alamos. He helped choose the site where the Manhattan Project would test its first atomic bomb.
C. C. Clark served in the 390th Air Service Group.