National Museum of Nuclear Science & History
Ester Stoner was a staff worker at Los Alamos during the Manhattan Project.
Dr. Dieter M. Gruen is an internationally known German-American chemist, inventor, and innovator. Born in Waldorf, Germany in 1922, Dr.
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.
