J. Fletcher, Jr.

Frank Pratt

Frank Pratt worked for the J.A. Jones Construction Company.

William W. Chandler

Attended Purdue University. 

W. N. Jennings

Edgar Sengier

Edgar Sengier (1879 – 1963) was the director of Union Miniere du Haut Katanga. After being warned by British scientists regarding the potential danger were the uranium ore to fall into the wrong hands, Sengier decided to transport half the uranium stockpile from the Congo to the United States in 1940.