National Museum of Nuclear Science & History
Henry Mouk was a staff worker at Los Alamos during the Manhattan Project.
Ella Tyree was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
D. S. Earl worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
