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Greg is an experienced designer and historian whose work has merged these two disciplines over the last decade. He is a graduate of the Industrial Design program at Carnegie Mellon University, and received a Master's Degree from Cornell University in Historic Preservation Planning. He often gives lectures about historical topics incorporating original research and imagery. In addition to operating Prichard Design & History Studio, Greg is Historic Preservation Planner for Lower Merion Township, Pennsylvania.
In recognition of his work in Lower Merion and across the Philadelphia region, Greg received the 2025 Public Service Award for Preservation in the Public Interest from the Preservation Alliance for Greater Philadelphia.
• Board Member, Keystone Marker Trust
• Board Member/Secretary, Radnor Historical Society
• Vice President, Society of Architectural Historians, Philadelphia Chapter
• Member, Willistown Township Historical Commission
• Former Board Member, Cornell Historic Preservation Planning Alumni
• Former Steering Committee Member, Young Friends of the Preservation Alliance for Greater Philadelphia
Greg is also a contributor to Hidden City Philadelphia.
Lectures Given by Greg
Overbrook to Paoli: The History of Main Line Train Stations
• Lower Merion Conservancy, May 15, 2012
• Radnor Historical Society, January 8, 2013
• Right Angle Club, February 12, 2013
• St. Davids Golf Club, May 9, 2013
• Saint Luke Evangelical Lutheran Church, Devon PA, November 2, 2013
• Tredyffrin Easttown Historical Society, November 17, 2013
• Pennsylvania Railroad Technical & Historical Society, October 25, 2014
• National Railway Historical Society: West Jersey Chapter, April 27, 2015
• Easttown Library, May 27, 2015
• Great Valley Women's Club, January 27, 2016
Keystone Markers: Preserving an Enduring Symbol of Pennsylvania
• Tredyffrin Historic Preservation Trust, October 16, 2013 (with Nathaniel Guest)
• King of Prussia Historical Society, November 8, 2014
Three Generations of Public Art in Radnor Schools
• Radnor Historical Society (at Radnor Middle School), February 25, 2014 (with Ernel Martinez)
Schreiber & Sons: The Story of a 19th Century Photography Studio
• Photographic Society of Philadelphia, August 16, 2016
Culver and Rogers: Philadelphia Architects and Their Main Line Projects
• Radnor Historical Society and Tredyffrin Easttown Historical Society, November 20, 2016
• Society of Architectural Historians Phila. Chapter, November 6, 2024
• Historic Langhorne Association, November 9, 2024
Finding Beauty in the Ordinary: Rarities from the Lower Merion Township Building & Planning Archives
• Lower Merion Conservancy, June 14, 2017
Treasures from the Vault: More from the Lower Merion Township Building & Planning Archives
• Lower Merion Conservancy, April 5, 2018
Historic Downtown Ardmore Walking Tour
• Lower Merion Conservancy/Young Friends of the Preservation Alliance of Greater Philadelphia, September 29, 2018
Trolley Bus Tour of Radnor Township
• Radnor Historical Society, May 19, 2019
Treasures from the Vault III: More from the Lower Merion Township Building & Planning Archives
• Lower Merion Conservancy, November 7, 2019
Imagine Your (Neighborhood's) Story
• Belmont Hills Library, June 18, 2020
Exploring Lower Merion's Architectural Archive
• Society of Architectural Historians, Philadelphia Chapter, August 5, 2020
Wayne Architectural Bike Tour
• Young Friends of the Preservation Alliance, Radnor Historical Society & Lower Merion Conservancy, July 10, 2021
Garden Suburbs of the Main Line
• Willows Park Preserve, September 15, 2022
History of the Cynwyd Neighorhood
• Lower Merion Conservancy, October 20, 2022 (with Kathleen Abplanalp)
Hidden in Plain Sight: Olmsted Firm Landscapes in Lower Merion and Radnor
• Radnor Historical Society & Lower Merion Conservancy, October 30, 2022 (with Kathleen Abplanalp, Emily Cooperman, Dennis Montagna)
The Design of Suburban Philadelphia: Past, Present, and Future
• Athenæum of Philadelphia four-week course, March 21, 2024 to May 2, 2024 (with Kevin Block)