R. K. Heimer

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.

Julius L. Berrenson

Roy H. Krauss

Roy H. Krauss served in the 390th Air Service Group.

W. C. Livermore

Livermore worked in the 200 E Area at Hanford during the Manhattan Project.