Bill Bramer

Vincent J. Neary

Frank E. Keene

Frank E. Keene was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Victor C. Hamister

Victor C. Hamister was a consultant to the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

P. V. Weaver

P. V. Weaver worked for the United States Engineer District Office.