Some Twentieth-Century Ideas of Extraterrestrial Life and Physical Eschatology Helge Kragh, University of Aarhus, DK - Vilinius, April 25th - CONFERENCE: FROM STAR AND PLANET FORMATION TO EARLY LIFE - The conference constitutes the yearly meeting of the COST Action "Origins and Evolution of Life in the Universe" and the Nordic Network of Astrobiology, 25-28 April 2016, Vilnius, Lithuania