Marmaduke Tilden, Jr. (1883-1957) and H. Bartol Register (1886-1956) established the firm Tilden & Register in 1916. In 1925 George Wharton Pepper, Jr. (1895-1949) joined the partnership, forming the firm of Tilden, Register & Pepper. The firm is known for its skyscrapers on Walnut Street and its modern style.
This collection contains 74 photoprints and three folders of miscellaneous items documenting twelve built works by the architectural firm of Tilden, Register & Pepper, and its predecessor firm Tilden & Register. In addition, the collection contains two folders of biographical materials related to the life and career of Marmaduke Tilden, Jr.