by (United Kingdom)M.A.Arthurs;by (United States)F.Ayres; by (United Kingdom)M.Booth;by (United States)S.Barney; by (United Kingdom)W.R.Ashby;by (United States)F.Csaki; by (United Kingdom)M.Archer;by (United States)R.C.Aukerman; by (United Kingdom)E.T.Copson;by (United States)F.John; by (United Kingdom)M.J.C.Echeruo;by (United States)M.H.Abrams; by (United Kingdom)M.A.Munem;by (United States)S.Maclane; by (United Kingdom)C.T.H.Baker;by (United States)F.Archetti; by (United Kingdom)M.P.Stevens;by (United States)H.Morawetz; by (United Kingdom)M.R.M.Rao;by (United States)W.T.Reid;