Clyde O. Evans

T. E. McGurie

T. E. McGurie worked for the J.A. Jones Construction Company.

V. E. Steele

Victor I. Bohden

Bohden worked in the United States Engineer District Office.

Helena Calloway

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