by (United States)H.Spear;by (United Kingdom)H.D.Spear; by (United States)H.Cohn;by (United Kingdom)R.B.Cooper; by (United States)J.Nove;by (United Kingdom)G.D.Smith; by (United States)H.F.Mark;by (United Kingdom)D.W.A.Sharp; by (United States)H.Kagan;by (United Kingdom)W.Klyne; by (United States)S.Datz;by (United Kingdom)H.Massey; by (United States)H.F.May;by (United Kingdom)A.SCHUTZ; by (United States)R.Keese;by (United Kingdom)H.Zozaki; by (United States)H.Eves;by (United Kingdom)J.V.Grabiner; by (United States)R.M.Berne;by (United Kingdom)H.Davson;