National Museum of Nuclear Science & History
R. L. Plowden worked for the J.A. Jones Construction Company.
Armine E. Kohn served in the 320th Troop Carrier Squadron.
Charles Rupchock (1923-2000) was a staff worker at Los Alamos during the Manhattan Project.
W. M. Whitaker served in the 390th Air Service Group.
Raymond C. Grills is an American physical chemist who worked at the University of Chicago’s Metallurgical Laboratory and at Hanford during the Manhattan Project.