Clyde M. Llewellyn

William Stephenson

William Stephenson worked for the J.A. Jones Construction Company.

Henry Yevlove

Henry Yevlove worked for Harold Urey’s group at Columbia University as a junior scientist. He later changed his last name to “Young.

Keith L. Gard

J.L. Gabriel

Gabriel worked at the 100-D Area at Hanford during the Manhattan Project.