Paul Halpern is a professor of physics at the University of the Sciences in Philadelphia, and the author of fifteen popular science books, most recently Einstein's Dice and Schrödinger's Cat. He lives near Philadelphia, Pennsylvania.
Michael Hanlon is the Senior Science Commentator on the Daily Mail, and a writer known for his ability to make science accessible. He is the author of The Worlds of Galileo: The Inside Story of NASA's Mission to Jupiter (Constable, 2001).
Marc Hauser is a full professor in the Department of Psychology and the Program in Neurosciences at Harvard University, a Harvard College Professor, adjunct Professor in the Graduate School of Education, and a Co-Director of the Mind, Brain and Behavior Program at Harvard.
Bruce Hood is currently the Director of the Bristol Cognitive Development Centre in the Experimental Psychology Department at the University of Bristol. He has been a research fellow at Cambridge University and University College London, a visiting scientist at MIT and a faculty professor at Harvard.
Rowan Hooper is Managing Editor of New Scientist magazine, where he has spent more than ten years writing about all aspects of science. He has a PhD in evolutionary biology, and worked as a biologist in Japan for five years, before joining the Japan Times newspaper in Tokyo, and later taking up a fellowship at Trinity College Dublin. Two collections of his long-running column for the paper have been published in Japan, and his work has also appeared in The Economist, Guardian, Wired and the Washington Post. He lives in London with his partner and two daughters. @rowhoop
John Horgan, author of The End of Science, was senior writer at Scientific American. He has also contributed to The New York Times, The New Republic, The Washington Post, The Times (London) and Discover, among other publications.