The Wonders of Philadelphia City Hall

Nan R Gutterman, FAIA, FAPT , NCARB is the Director of Historic Preservation at VITETTA, a DRG Architects company with offices in Philadelphia and Camp Hill, PA, Somerset, NJ and New York City. She has a Bachelor of Science degree in architecture from the University of Virginia and a Master of Architecture from the University of Michigan where her field of study was historic preservation. She spent five years working on the restoration of the Main Building at Ellis Island before moving to Philadelphia. During her almost 40 years at VITETTA, she has worked on and is still involved with projects on many national historic landmarks in Philadelphia including Philadelphia City Hall, Philadelphia Museum of Art, the Reading Terminal Trainshed, now part of the PA Convention Center, and the Academy of Music for the 21st Century. She is currently working on the Exterior Restoration of the Fisher Fine Arts Library at the University of Pennsylvania, The Benjamin Franklin Bridge and updating the VITETTA Master Plan for Duke Farms, Doris Duke’s estate in Hillsborough NJ.

She serves on the Architectural Committee of the Philadelphia Historic Commission with six other professionals reviewing proposed changes to buildings individually listed or listed as part of a district on the Philadelphia Register. In 2017-2019, she served on Mayor Kenney’s Task Force on Historic Preservation. In June, she was recognized by the Preservation Alliance with the 2026 James Biddle award for lifetime achievement in the field of historic preservation recognizing her work on Philadelphia landmarks and her tenure on the Philadelphia Historic Commission Architectural Committee.

Greta Greenberger was the Tour Guide Director for Philadelphia’s City Hall Tours and Visitor Center for 25 years. She was responsible for conducting tours of City Hall for visitors and school groups.