Witold Rybczynski is one of America's best known writers on architecture, the author of the bestselling One Good Turn: A Natural History of the Screwdriver and the Screw, Home, Waiting for the Weekend, The Most Beautiful House in the World, and A Clearing in the Distance. He has also written on architecture for The New York Times, The New Yorker, Time, and The New York Review of Books. The Martin and Margy Meyerson Professor of Urbanism at the University of Pennsylvania, he lives in Philadelphia.