F. W. Holt

Ernest J. Lang

Joe H. Conner

Joe Conner worked for the Tennessee Eastman Corporation at the Y-12 Plant.

H. V. Wrasse

Wrasse worked at the 100-F Area at Hanford during the Manhattan Project.

Daniel J. Keefe

Daniel J. Keefe was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.