by (United States)J.C.Dedius;by (United States)E.E.Wahlstrom; by (United States)S.P.Gudder;by (United States)C.W.Helstrom; by (United States)J.C.Beadek;by (United States)B.G.Batchelor; by (United States)J.G.Roloff;by (United States)E.H.Schuster; by (United States)E.L.Lehmann;by (United States)E.W.Warner; by (United States)E.M.Loebl;by (United States)J.E.Marsden; by (United States)J.C.Daly;by (United States)R.A.Anderson; by (United States)J.D.Coyle;by (United States)E.J.Henley; by (United States)J.Dalo;by (United States)E.L.Eliel; by (United States)J.F.Adams;by (United States)J.J.Costello;