Gregory Heller ’04 is the author of Ed Bacon: Planning, Politics, and the Building of Modern Philadelphia (University of Pennsylvania Press), the first biography of the controversial architect and urban planner. A book launch will be held on Thursday, May 16 at the Center for Architecture in Philadelphia (1218 Arch Street) at 6 p.m. The event is free and open to the public. Go to http://hellergreg.ticketleap.com/edbacon/ for more information. In the mid-20th century, Edmund Bacon worked on shaping urban America as many Americans left cities to pursue life in suburbia. As director of the Philadelphia City Planning Commission, Bacon forged…