Robin B. Williams, Ph.D., Chairman, Department of Architectural History at the
Savannah College of Art and Design (SCAD)  recently gave a TEDx talk on "How Historic Street Pavement Modernized the City"

 Here's a link to the talk:  https://www.youtube.com/watch?v=OHaYaa5Zc1Y&t=8s

Prof. Williams has been an SAH member since 1985, was an author of the Buildings of Savannah BUS volume as well as faculty advisor for the SAH Oglethorpe Chapter, based at SCAD.