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.
Jens Thornton, or “Jim” (as he went by at Berkeley) was an electrical engineer employed by Stone & Webster engineering firm during the Manhattan Project.
Harvey C. Rentschler was an American inventor and director of research at the Westinghouse Electric Corporation Lamp Plant in Bloomfield, New Jersey.
