Table of Contents

Organic Structural Chemistry: The Significance of the Hydrogen Bond for Physiology; Aromatic Rings as Hydrogen Bond Acceptors; M. Perutz. Natural Product Structure Elucidation: 1950-2000; C. Djerassi. Conformational Analysis-the Elevation of Two-Dimensional Formulas into the Third Dimension; E. Eliel. Thoughts and Experiments on a Chemical Etiology of the Nucleic Acid Structure; A. Eschenmoser. Physics and Physical Chemistry: The Precise Determination of Loschmidt's Number (Avogadro Constant) as a Step Towards a Redefinition of the SI Unit of Mass; P. Becker. Loschmidt's Reversibility Argument and the H-Theorem; H. Spon. The Arrow of Time-Statistics and the Universe; H. Bondi. Stability of Matter; W. Thirring. Loschmidt's Biography, Loschmidt's World: Josef Loschmidt-Some Biographical Remarks; H. Sexl. From Curiosity to Passion: Loschmidt's Route From Philosophy to Natural Science; P.M. Schuster. Scientific Discussion and Friendship between Loschmidt and Boltzmann; D. Flamm. Josef Loschmidt's Economic Ideas: Protective Tariffs and National Welfare; F. Weber. Appendices: The Scientific Publications of J. Loschmidt. The Josef-Loschmidt-Symposium 1995. 20 Additional Articles. Index.