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September 17, 2018
Chapter News

AIA Philadelphia Announces Annual Award Winners

By Elizabeth Paul

For immediate release:

Philadelphia, PA, October 22, 2018 – AIA Philadelphia’s Board of Directors is pleased to announce the selection of David Hollenberg, AIA and University Architect at the University of Pennsylvania, as the 2018 John Frederick Harbeson Award (Harbeson) recipient and Susan K. Weiler, RLA, FASLA of OLIN, as the 2018 Paul Philippe Cret Award (Cret) recipient. Both awards honor individuals that have made a significant contribution to the field of architecture and the built environment whether as an architect or as a member of the public with a keen interest in design.

The John Frederick Harbeson Award is presented annually to a long-standing member of the architectural community and is intended to recognize their significant contributions over their lifetime to the architectural profession and its related disciplines. The recipient of this award will have distinguished themselves throughout their career by their contributions to the architectural profession, the American Institute of Architects, the education of the architectural community, and their contributions to the Philadelphia community at large.


David Hollenberg has dedicated his entire professional career to preserving Philadelphia’s rich architectural heritage, supporting organizations with the same mission, and training the next generation of architects. On learning of his selection for this award, Hollenberg said: “[Harbeson’s] extraordinary and resonant career as an educator, architect, and public citizen exemplifies what I and so many colleagues in our wonderful city’s extraordinary design community continually aspire to be….I am deeply touched to be this year’s recipient, and want to thank Philadelphia AIA from the bottom of my heart.”

Hollenberg taught for Penn Design’s Graduate Program in Historic Preservation for 30 years while maintaining his professional career at various posts. His career began in 1975 at John Milner Associates (JMA), an architecture and historic preservation firm, where he led a wide variety of projects including major architectural landmarks in Philadelphia such as the Fairmount Water Works, Alden Park Apartments, Reading Terminal Headhouse, Lit Brothers Department Store, and the John Wanamaker Building. After JMA he worked for the National Park Service, serving as Associate Regional Director for Design, Construction and Facility Management, and was responsible for major programs and services affecting National Park Service structures in the thirteen-state Northeast Region. In 2006, Hollenberg moved on to serve as University Architect at the University of Pennsylvania through his retirement in June 2018.

Throughout his career Hollenberg embodied the role of citizen architect by serving on a number of boards and task forces including: the Philadelphia Historical Commission, Chairman of the Board of the Eastern State Penitentiary Historic Site, was on the Board of Christ Church Preservation Trust, and served as a Commissioner on the Flight 93 Memorial Federal Advisory Commission. He is currently serving as a member of Mayor Kenney’s Philadelphia Historic Preservation Task Force. On these merits, the AIA Philadelphia Board is honored to award this year’s Harbeson Award to David Hollenberg, AIA.

The Paul Philippe Cret Award recognizes individuals or organizations who are not architects but who have made an outstanding and lasting contribution to the design of buildings, structures, landscapes, and the public realm of Greater Philadelphia.


Susan Weiler has risen to prominence in the field of landscape architecture as a designer, speaker, teacher, and writer. She is the lead author of Green Roof Systems: A Guide for the Planning, Design and Construction of Landscapes over Structure, a primary resource on the topic of green roof design for landscape architects, architects, engineers, and sustainably conscious municipal leaders. She has applied her expertise in interfacing with complex engineering systems and construction technologies over more than thirty years to projects like the U.S. Embassy in Berlin; Mission Bay Master Planning and development in San Francisco; and the LDS Conference Center in Salt Lake City.

In Philadelphia, her work includes multiple campus plans and site-specific works at the University of Pennsylvania; cultural institutions such as the Rodin Museum and the Philadelphia Museum of Art’s Anne d’Harnoncourt Sculpture Garden; and civic landscapes including Logan Circle and Dilworth Park, a multi-functional gathering place and transit center at Philadelphia’s historic City Hall. It is with great honor, and respect for her many contributions to Philadelphia, that the AIA Board of Directors awards the 2018 Cret Award to Susan K. Weiler.


About AIA Philadelphia

AIA Philadelphia organizes architects in the region for the purpose of advancing their influence in shaping the built environment, and their ability to effectively practice architecture in an ever-changing society and competitive marketplace. The Chapter provides opportunities for professional development, service, and collegiality among peers. Founded in 1869, it is among the oldest and most distinguished of AIA Chapters with more than 1,500 architect members. For more information visit:

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