by (United Kingdom)P.Kaner;by (United States)M.Liskin; by (United Kingdom)P.Williams;by (United States)R.Laubin; by (United Kingdom)P.Rogers;by (United States)R.Sumner; by (United Kingdom)P.Sykes;by (United States)T.H.Lowry; by (United Kingdom)R.Mackin;by (United States)M.Maggs; by (United Kingdom)P.Koosis;by (United States)H.Busemann; by (United Kingdom)R.C.Denney;by (United States)M.Harwit; by (United Kingdom)R.N.Haward;by (United States)M.Morton; by (United Kingdom)D.H.Lawrence;by (United States)G.Lisitzky; by (United Kingdom)B.Haycraft;by (United States)M.Kehoe;