by (United States)H-G.Elias;by (United States)V.R.Gowariker; by (United States)H-G.Elias;by (United States)H-G.Elias; by (United States)W.F.Eddv;by (United States)J.R.Green; by (United States)B.R.Gulati;by (United States)B.R.Gulati; by (United States)Ben Bova;by (United States)V.J.Schaefer; by (United States)K.O.Ondar;by (United States)V.K.Rohatgi; by (United States)R.G.Bander;by (United States)G.R.Gruber; by (United States)R.Gordon;by (United States)V.S.Groza; by (United States)P.R.Halmos;by (United States)V.A.Pogorelov; by (United States)C.J.Howard;by (United States)D.H.Howe;