by (Federal Republic of Germany)J.B.Conway;by (United States)M.Flensted-Jensen; by (Federal Republic of Germany)H.Boll;by (United States)H.Insen; by (Federal Republic of Germany)C.P.Enz;by (United States)Ma Shang-Keng; by (Federal Republic of Germany)W.A.Mozart;by (United States)C.Nielsen; by (Federal Republic of Germany)A.Dold;by (United States)S.Eilenberg; by (Federal Republic of Germany)W.Demtroder;by (United States)M.D.Levenson; by (Federal Republic of Germany)W.J.J.Rey;by (United States)M.R.Spiegel; by (Federal Republic of Germany)H.Ziegler;by (United States)M.W.Zemansky; by (Federal Republic of Germany)J.Bourgain;by (United States)P.L.Duren; by (Federal Republic of Germany)M.Algner;by (United States)D.I.A.Cohen;