Herausgegeben Von Wolfgang U. Eckart (heidelberg), Und Rainer Godel (halle/saale). Proceedings Of A Symposium Held During 13-14 October 2014 At Halle (saale); Organized By The Leopoldina And The Academy Of Sciences Of France. Academy Publication. Includes Bibliographical References And Index. In German, With One Contribution In English.