Peter Pennoyer is the principal partner of the eponymous architecture firm that has a national practice in classical and traditional architecture. The Pennoyer firm has designed houses and institutional projects from New York to California. The firm's work is recognized for combining an inventive spirit with an erudite grasp of architectural history and has been widely published and exhibited. Pennoyer serves on the boards of the Institute for Classical Architecture and Classical America, the Morgan Library, and the Whiting Foundation. He is the coauthor of The Architecture of Delano & Aldrich and The Architecture of Warren & Wetmore. Anne Walker holds a master's degree in historic preservation from Columbia University. She is the coauthor of The Ford Plantation Architectural Pattern Book, with Donald M. Rattner; The Architecture of Delano & Aldrich; and The Architecture of Warren & Wetmore.