Author: Dr. phil. H. F. Linskens, M. V. Tracey M. A., Dr. Ulrich Beiss, Dr. Fay Bendall, Fil. lic. Walter Björk, Professor Dr. F. Bohlmann, Hans G. Boman, Dr. sc. nat. Richard Braun, Dr. W. Heinen, cand. chem. Manfred Hesse, Dr. Eduard Hofmann, Dr. J. R. Hudson, Professor Dr. Rüdiger Knapp, Dr. Rudolf Lambert, Carlos O. Miller, Professor Dr. Gerhard Pfleiderer, B. D. Sanwal, Professor Dr. Hans Schmid, D. Pharm. Sc. Shoji Shibata, Dr. Herbert Stern, Dr. Wolfgang Sucrow, Dr. med., C. Sc. Josef Tobiška, Dr. F. W. Zilliken (auth.)