National Museum of Nuclear Science & History
Piper worked for Stone and Webster Engineering Corporation.
Raymond Elliot Zirkle was a radiobiologist who worked at numerous Manhattan Project sites during World War II.
Edwards worked at the 100-B Area at Hanford during the Manhattan Project.
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.
