National Museum of Nuclear Science & History
Lester Orlan Keen worked as an engineering draftsman at Hanford during the Manhattan Project. His son, Jack Keen, was a young boy at the time.
James Mc Tigrit was a military officer at los Alamos.
Donald M. Casey served in the 603rd Air Engineering Squadron.
Helen E. Krinek was a research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
