Reginald M. Sexton

C. Lawrence

C. Lawrence worked for the J.A. Jones Construction Company.

Harry Palevsky

Harry Palevsky (1919-1990) was an American engineer. A Chicago native, Palevsky began his work on the Manhattan Project at the University of Chicago Metallurgical Laboratory shortly after finishing his undergraduate career at Northwestern University.

Leonard M. Hartsoch

Thomas Horton