William R. Cain

J. H. Hanson

Hanson worked at the 300 Area at Hanford during the Manhattan Project.

Helene M. Smith

Helene Smith was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.

W. B. Gest

Louis Rosen

Louis Rosen (1918-2009) was an American physicist. A native New Yorker and the son of Polish immigrants, Rosen was personally selected to work on the Manhattan project in Los Alamos while a graduate student in physics at the Pennsylvania State University.