Edna M. Sypult

Clarence F. Hiskey

Clarence Francis Hiskey (1912-1998) was an American chemist and Soviet spy. He worked at Columbia University and the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.

Walter G. Johnson

Walter Johnson worked for the United States Engineer District Office.

Joseph H. McCusker

Attended Northeastern University.

A. S. Booth