W. J. Dowis

E. L. Maier

Maier worked for Stone and Webster Engineering Corporation.

Robert W. Adams

Robert Adams worked for the Tennessee Eastman Corporation at the Y-12 Plant.

F. E. Hawkins

Arthur “Pete” V. Peterson

Colonel Arthur “Pete” V. Peterson was the Army’s area engineer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.