EDITORIAL FRIEDRICH STADLER, Arne N ss: Dogmas and Problems of Empiricism JAN FAYE, Niels Bohr and the Vienna Circle JUHA MANNINEN, Between the Vienna Circle and Ludwig Wittgenstein. The Philosophical Teachers of Georg Henrik von Wright JOHAN STRANG, Between the National and the International - Theoria and the Logical Empiricists CARL-GضRAN HEIDEGREN, Positivism before Logical Positivism in Nordic Philosophy MARJA JALAVA, The Earliest Extensive Reception of Mach in the Nordic Countries ILKKA NIINILUOTO, Kailas Critique of Vitalism ARTO SIITONEN, Kaila and Reichenbach as Protagonists of Naturphilosophie CARL HENRIK KOCH, J rgen J rgensen and Logical Positivism THOMAS MORMANN, The Debate on Begriffstheorie between Cassirer, Marc-Wogau - and Schlick THOMAS UEBEL, The Nature and Status of Metatheory. The Debate between Otto Neurath and إke Petzنll MICHAEL VON BOGUSLAWSKI, Young Ketonen and His Supreme Logical Discovery FREDRIK W. THUE, Empiricism, Pragmatism, Behaviorism: Arne N ss and the Growth of American-styled Social Research in Norway after World War IIJaakko Hintikka in the Library of Living Philosophers: A Dialogue between Simo Knuuttila and Jaakko Hintikka Report/Documentation: GERALD HOLTON, On Unity and Disunity in the Sciences: Variations of Ancient Thematas Review Essay: THOMAS MORMANN, Enlightenment and Formal Romanticism - Carnaps Account of Philosophy as Explication Reviews