Cynthia Redtke

R. A. Thompson

R. A. Thompson worked for Hanley & Company.

M. S. Headley

M. S. Headley worked for the J.A. Jones Construction Company.

W. A. Monihon

Andrew H. MacMahon

Andrew H. MacMahon was the Chief Property Officer of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.