Carl Gustav Hempel (born January 8 1905 in Oranienburg, Germany died November 9 1997 in Princeton, New Jersey) was a philosopher of science and a major figure in 20th-century logical positivism. He is especially well-known for his defense of the Deductive-nomological model of scientific explanation and for his work on the Raven paradox.
Hempel studied mathematics, physics, and philosophy at the Universitiy of Göttingen, Heidelberg and Berlin. In Göttingen he encountered David Hilbert and was impressed by his attempt to base all of mathematics on solid logical foundations derived from a limited number of axioms (Hilbert's Program). Having moved to Berlin he participated in a congress on scientific philosophy in 1929, where he met Rudolf Carnap. Enthusiastic about Carnap's work, Hempel moved to Vienna and became part of the Vienna Circle. In 1934 he received his doctoral degree from the University of Berlin with a dissertation on probability theory. The same year he fled the increasingly repressive Germany and emigrated to Belgium with the help of Paul Oppenheim, with whom he co-authored the book "Der Typusbegriff im Lichte der neuen Logik" on typology and logics in 1936. In 1937 Hempel emigrated to the US where he accepted a position as Carnap's assistant at the University of Chicago. Subsequently he held positions at New York's City College (1939-1948), Yale University (1948-1955), and Princeton University where he stayed until he was given emeritus status in 1964. As an emeritus he spent the years from 1964-1966 at the Hebrew University in Jerusalem and taught at the University of Pittsburgh until 1985.
More on [ Carl Gustav Hempel ]
Philosophy of Logic :: Philosophy
Paradoxes :: Philosophy of Logic
Philosophy of Science :: Philosophy

Biography.com: Hempel, Carl Gustav - Brief outline of the life of this German-born thinker.
Carl Gustav Hempel - Essay with bibliography on this 20th-century thinker's life and ideas, by Mauro Murzi. From the Internet Encyclopedia of Philosophy.
FOLDOC: Hempel Carl Gustav - Entry on this logician and philosopher, with links to related topics.
Geometry and Empirical Science - Text of a 1945 paper by Hempel from the American Mathematical Monthly. Frameset with table of contents and text in separate frames.
On the Nature of Mathematical Truth - Text of Hempel's 1945 paper from the American Mathematical Monthly. Notes, table of contents, and text in separate frames.
Problems and Changes in the Empiricist Criterion of Meaning - Text, with original pagination, of a 1950 paper by Hempel from the Revue Internationale de Philosophie.
The Doomsday Argument and Hempel's Problem - Paper by Paul Franceschi, discussing Hempel's paradox of confirmation in detail, and a commonly-proposed solution to it.
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