Amir Alexander is the author most recently of Duel at Dawn: Heroes, Martyrs, and the Rise of Modern Mathematics(2010), and is currently working on a book on the cultural history of the infinitely small. He lives in Los Angeles and teaches history and the history of science at UCLA.

John Baez is a mathematical physicist at University of California, Riverside.

David Corfield is Senior Lecturer in Philosophy at the University of Kent, UK. He studied mathematics for four years at the University of Cambridge, and later took an MSc and PhD in the philosophy of science and mathematics at King’s College London. He is author of Towards a Philosophy of Real Mathematics (2003).

Apostolos Doxiadis is a novelist who studied mathematics at Columbia University and the École Pratique des Hautes Études in Paris. He is the author of Uncle Petros and Goldbach’s Conjecture and Logicomix, among other books.

Peter Galison is the Joseph Pellegrino University Professor at Harvard University. His publications include Objectivity (2008), Einstein’s Clocks, Poincaré’s Maps: Empires of Time (2003), Image and Logic: A Material Culture of Microphysics (1997), and How Experiments End (1987). He has written and co-directed the films Secrecy (2008) and The Ultimate Weapon: The H-Bomb Dilemma (2000) and is now working on Nuclear Underground (about nuclear waste). Galison won the Max Planck Prize and was a MacArthur Foundation Fellow.

Michael Harris is Professor of Mathematics at the Université Paris- Diderot Paris 7. He has also taught at Brandeis University, and has been a visiting professor at Bethlehem University in Palestine and Columbia University and visiting researcher atMoscow’s Steklov Institute, Oxford, and the Institute for Advanced Study. He is the author of On the Geometry and Cohomology of Some Shimura Varieties with Richard Taylor and is co-editing a series of books on the stable trace formula.

David Herman is Arts and Humanities Distinguished Professor in the Department of English at Ohio State University in the US. He has published widely in the areas of interdisciplinary narrative theory and storytelling across media, and he serves as editor of the Frontiers of Narrative book series and the journal Storyworlds, both published by the University of Nebraska Press.

Federica LaNave is a Mellon Postdoctoral Fellow in Ancient Scientific Method at the University of Oxford. She studies topics in the history and philosophy of mathematics from ancient Greek antiquity to the Renaissance.

Uri Margolin is Professor Emeritus of comparative literature at the University of Alberta, Edmonton, Canada. Hismain areas of research are western and slavic literary theory andmethodology, narratology, fictional worlds semantics, and cognitive models of narrative. Publications to date include over 70 essays in collective works and professional international journals.

Barry Mazur is the Gerhard Gade University Professor in the Department of Mathematics at Harvard University. His primary current interest of mathematical research is number theory. His books include Arithmetic Moduli of Elliptic Curves written jointly with Nicholas Katz, and Imagining Numbers (particularly the square root of minus fifteen).

Colin McLarty is the Truman P. Handy Professor of Intellectual Philosophy and of Mathematics at Case Western Reserve University where he works on the history, philosophy, and foundations of mathematics. His article on Hilbert and Gordan grew from biographical research on Emmy Noether and what she learned from each of these two.

Jan Christoph Meister researches and teaches German Literature, Narratology and Literary Computing at the University of Hamburg. He is the author of Computing Action. A Narratological Approach (2003) and heads the CLÉA (Collaborative literature exploration and analysis) project for the development of a web based collaborative text analysis tool. For details see www.jcmeister.de.

Christos H. Papadimitriou was born and grew up in Greece. He studied electrical engineering at the National Technical University, Athens, and then was awarded a Ph.D. in computer science, from Princeton. He holds the Lester C. Hogan Chair at the University of California at Berkeley. Christos research work is in the theory of algorithms, computational complexity and game theory, fields in which he is one of the leading international experts. His books, Elements of the Theory of Computation, Computational Complexity and Combinatorial Optimization: Algorithms and Complexity, are the standard textbooks in their fields, while his first novel, Turing, was published in 2003 by MIT Press, he is also the co-author, with Apostolos Doxiadis, of Logicomix.

Arkady Plotnitsky is a professor of English and Theory and Cultural Studies at Purdue University, where he is also a director of the Theory and Cultural Studies Program, and a co-director of the Philosophy and Literature Program. He has published extensively on philosophy of physics and mathematics, continental philosophy, British and European Romanticism, Modernism, and the relationships among literature, philosophy, and science. His most recent books are Epistemology and Probability: Bohr, Heisenberg, Schrödinger and the Nature of Quantum- Theoretical Thinking (2009), Reading Bohr: Physics and Philosophy (2006), and a co-edited (with Tilottama Rajan) collection of essays Idealism Without Absolute: Philosophy and Romantic Culture (2004).

Bernard Teissier was born June 13, 1945 in Boulogne Billancourt, France. He entered the Ecole Polytechnique in 1964, and defended his Ph.D in Mathematics in Paris, in 1973. He was researcher in Mathematics in the CNRS from 1967 to 2010, successively at the Ecole Polytechnique, the Ecole Normale Supérieure and finally the Institut Mathématique de Jussieu, where he is now Emeritus Director of research. He is married to Maryvonne and they have two children, Anne and Jean, born in 1983.