National Museum of Nuclear Science & History
Seymour worked at the 200 West Area at Hanford during the Manhattan Project.
John L. Sherwood served in the 603rd Air Engineering Squadron.
Chamberlain worked at the 300 Area at Hanford during the Manhattan Project.
Marvin Tetenbaum was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
John P. Flannery worked for H.K. Ferguson Co. and Morrison Knudson. Co. on construction at Oak Ridge, TN during the Manhattan Project.