Robert John Ackermann Amir D. Aczel Henry Adams Mortimer J. Adler Michael D. Aeschliman Joseph Agassi K. Ajdukiewicz Alexa Albert Hans Albert Stephen E. Ambrose Martin Amis Timothy Anders Lou Andreas-Salomé Boethius Hannah Arendt Aristotle D. M. Armstrong Robert C. Atkins W. H. Auden Robert Audi Marcus Aurelius Jane Austen Francis Bacon Gregory Baer Robin Baker Geoffrey Barraclough William Warren Bartley Jacques Barzun Nicholas A. Basbanes Eric Temple Bell Jeremy Bernstein Peter L. Bernstein Gertrude Besserwisser Bruno Bettelheim Roy Bhaskar Gottlob Herbert Bidermann Ambrose Bierce Jack Birner Max Black Mark Blaug Lawrence Boland Tudor O. Bompa John Tyler Bonner Jorge Luis Borges Alain de Botton James Bovard Catherine Drinker Bowen Paul Bowles Brian Boyd R. B. Braithwaite Barbara Branden Nathaniel Branden Peter R. Breggin Baruch A. Brody Gordon Brook-Shepherd E. Janet Browne James M. Buchanan Mario Bunge David M. Buss Edward A. Byrd Charles J. 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Edward Damer Robert D'Amico Ray Daniels Tobias Dantzig Charles Darwin Lorraine Daston Donald Davidson Paul Davies Richard Dawkins Carl Deal Daniel Defoe Kenneth George Denbigh Daniel C. Dennett David J. Depew Carlo D'Este Robert Detweiler David Deutsch Keith Devlin John Dewey Jared Diamond Charles Dickens Leonard E. Dickson Paul Dirac Edwin G. Dolan David Dollenmayer John Donne Dietrich Dörner Fyodor Dostoyevsky Arthur Conan Doyle Robert E. Drennan Eric Drexler Peter F. Drucker Pierre Duhem Michael Dummett Ronald Duncan William Dunham Martin Durrell Christian de Duve Freeman Dyson Alan Ebenstein John Eccles John C. Eccles David Edmonds Albert Einstein Loren C. Eiseley Peter Elbow Rita Elkins Richard Ellmann Ralph Waldo Emerson Herbert B. Enderton Friedrich Engels Richard Allen Epstein Udo Erasmus Marc Faber Anita Burdman Feferman Joel Feinberg William Feller Niall Ferguson Patrick Leigh Fermor Joachim Fest Paul K. Feyerabend Richard P. Feynman J. 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