Floyd J. Ritchie

G. H. Heinie

Heinie worked for Stone and Webster Engineering Corporation.

Salvatore P. Cirami

Salvatore P. Cirami served in the 1027th Air Material Squadron.

Minnie M. Daniels

Minnie M. Daniels was a laboratory technician and assistant in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

M. K. Barrett