This book provides a comprehensive overview of more than 75 years of Swiss chemical research. Leading authors, among them L. M. Venanzi, H. Zollinger, E. Heilbronner and J. D. Dunitz, highlight outstanding pieces of research that have appeared in Helvetica Chimica Acta since its foundation, in 1917. This collection of highly readable essays will be of great interest to chemists, historians of chemical science, and anyone who wants to know more about the exciting development of Swiss chemistry in the twentieth century.