William H. Wren

E.A. Neff

E. H. Mantz

E. H. Mantz worked for Hanley & Company.

Antoinette J. Cichy

Antoinette Cichy was a nurse in the main infirmary at Los Alamos, handling classified documents and classified medical cases.

Walter S. Carpenter, Jr.

Walter Samuel Carpenter, Jr. was a corporate executive at DuPont who oversaw the company's involvement in the Manhattan Project.