National Museum of Nuclear Science & History
Stone worked at the 100-B Area at Hanford during the Manhattan Project.
Coyne worked at the 100-F Area at Hanford during the Manhattan Project.
William R. Purnell (1886-1955) was a Rear Admiral in the US Navy and served as the Navy liaison on the Military Policy Committee for the Manhattan Project.
MacDonald worked for Stone and Webster Engineering Corporation.
F. C. Rose, Jr. worked for Clinton Laboratories at the X-10 Reactor.