Philadelphia, PA, United States
Robert Mara Adger (1837-1910). Businessman, activist, bibliophile lived here. Director, Philadelphia Building & Loan Assn., pioneering Black firm. Amassed and donated a major collection of rare books, pamphlets on Blacks, antislavery. Founded Afro-American Historical Society.
Listen to the audio guide for Robert Mara Adger blue plaque Free on WIP — starts by itself when you arrive, even with the screen off