David Sigmund

David Sigmund has been an expert city guide in Philadelphia, New York, and Washington. He studied Urban Planning as a graduate student, and has traveled to London, Paris, Rome, Berlin, and Prague, learning their architecture and planning. His family has been in Philadelphiia for four generations, and he has known and written about the city in-depth. He loves to show how it has gone from gone from factory town to sophisticated modern metropolis.