Who is Robert Mara Adger and what is the significance of the historical marker dedicated to him?

Answer 1

Furniture merchant, political activist, bookseller, and pioneer black bibliophile, Robert Mara Adger (1837-1910) labored to compile one of the finest book collections of the 19th century. His Catalogue of Rare Books and Pamphlets: Subjects Relating to the Past Conditions of the Colored Race and the Slavery in this Country was published in 1894. Adger was one of the original organizers of the Banneker Institute