Dr. J. A. De Freitas

T. E. Thomas

T. E. Thomas worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Mary M. Dailey

Mary M. Dailey was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Walter M. Longfelt

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

Charles Robb