Gilbert Wolfe

Alexander Blair

Alexander Blair was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.

H. T. Dumbell

H. T. Dumbell worked for the Edenfield Electric Company.

Robert S. Fitzhugh

Carrie Johnson

Carrie Johnson was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.