National Museum of Nuclear Science & History
John Leahy worked for the United States Engineer District Office.
Otto Frisch (1904-1979) was an Austrian-born physicist. Frisch joined the Manhattan Project in 1943, but his most important contribution to the project came in 1940 in England.
Clarence Joyce worked for the Poe Piping & Heating Company.
Meyers worked in the 100 D Area at Hanford during the Manhattan Project.