Jaakko Hintikka is the author or co-author of thirty volumes and of some 300 scholarly articles in mathematical and philosophical logic, epistemology, language theory, philosophy of science, history of ideas and history of philosophy, including Aristotle, Descartes, Leibniz, Kant, Peirce, The Bloomsbury Group, Husserl and Wittgenstein. He has also been active in international scholarly organizations, most recently as the First Vice-President of FISP, Vice-President of IIP and Co-Chair of the American Organizing Committee of the Twentieth World Congress of Philosophy. He has been Editor-in-Chief of the International Journal Synthese and the Managing Editor of Synthese Library since 1965.

• Tracking Contradictions in Geometry: The Idea of a Model from Kant to Hilbert.- Standard vs. Nonstandard Distinction: A Watershed in the Foundations of Mathematics.- Kronecker on the Foundations of Mathematics.- The Mysteries of Richard Dedekind.- Frege’s Letters.- Frege’s Principle.- Husserl and Hilbert on Completeness.- Hahn’s Über die nichtarchimedischen Grössensysteme and the Development of the Modern Theory of Magnitudes and Numbers to Measure Them.- The Origins of Russell’s Paradox: Russell, Couturat, and the Antinomy of Infinite Number.- The Emergence of Descriptive Set Theory.- Chance Against Constructibility.- Thoralf Skolem, Hermann Weyl and ‘Das Gefühl der Welt als begrenztes Ganzes’.- On Tarski’s Background.- Wittgenstein and Ramsey on Identity.- On Saying What You Really Want to Say: Wittgenstein, Gödel, and the Trisection of the Angle.- Gödel and Husserl.- Index of Names.- Index of Subjects and Titles.