Sawdon S. Smith

Frank M. Graham

Frank Graham worked for the Midwest Piping and Supply Company.

E. B. Wentworth

E. B. Wentworth worked for the G.G. Ray Company.

John Bloomer

Arthur L. Hughes

Arthur L. Hughes was an British/Welsh physicist. He worked on the Manhattan Project in St. Louis on the cyclotron and plutonium production and at Los Alamos, NM.