William O. Collins

George B. O’Connor

O’Connor worked in the 300 Area at Hanford during the Manhattan Project.

Dean E. Dalquest

Dean Dalquest worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Louis F. Jacot

Walter M. Longfelt

Walter M. Longfelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.