National Museum of Nuclear Science & History
Clarence Schalia was a staff worker at Los Alamos during the Manhattan Project.
Sieck worked at the 200 East Area at Hanford during the Manhattan Project.
Chester S. Krajczynski served in the 603rd Air Engineering Squadron.
R. W. Addington worked for the J.A. Jones Construction Company.
Kelleher worked for Stone and Webster Engineering Corporation.
