by (United States)F.B.Hildebrand;by (United Kingdom)L.W.Johnson; by (United States)F.B.Hildebrand;by (United Kingdom)R.W.Hirns...et al; by (United States)F.M.Vianna;by (United Kingdom)Y.R.Chao; by (United States)J.G.Harris;by (United Kingdom)L.Jones; by (United States)L.Childs;by (United Kingdom)M.P.Cohn; by (United States)F.J.Tipler;by (United Kingdom)S.W.Hawking; by (United States)R.T.Rockafellar;by (United Kingdom)D.W.Jordan; by (United States)H.V.Boening;by (United Kingdom)J.S.Rowlinson; by (United States)C.L.Tolstoy;by (United Kingdom)L.N.Tolstoy; by (United States)F.L.Pilar;by (United Kingdom)W.G.Richards;