S.E. Irving

O. L. Creasey

Creasey worked at the 100-B Area at Hanford during the Manhattan Project. 

Benjamin R. Hayward

William L. Preston

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.