National Museum of Nuclear Science & History
Frank Pratt worked for the J.A. Jones Construction Company.
B. R. Longwell served in the 390th Air Service Group.
Crowley worked in the United States Engineer District Office.
Arthur Compton (1892-1962) was an American physicist and winner of the Nobel Prize in Physics. A top administrator and advisor during the Manhattan Project, Compton played a key role in the making of the atomic bomb.