Dennis Overbye is the Deputy Science Editor of The New York Times, and the author of Einstein in Love, to be published later this year by Little, Brown. His previous book, Lonely Hearts of the Cosmos, was a finalist for the National Book Critics Circle Award for nonfiction in 1992, and won the American Institute of Physics Science Writing Award. He has been a writer and editor on the staffs of Discover and Sky and Telescope, and his articles have appeared in wide variety of magazines.