Homer M. O’Callaghan

C. V. Langworthy

Langworthy worked in the 200 East Area at Hanford during the Manhattan Project.

William E. Caldes

William E. Caldes studied chemical engineering at Princeton University. In 1943, he was recruited to join the Manhattan Project, and became the 19th project member at Los Alamos.

Martin Kamen

Martin Kamen (1913-2002) was a Canadian-American physicist. Kamen was seemingly destined for a landmark career in physics when he arrived at the Radiological Laboratory at the University of California, Berkeley in 1936.

L. Spencer