Astor Library him as president. After two years, in 1891, Thomas M. Markoe was chosen to the office, which he held until the 1895 consolidation. John Jacob Astor III, son of William B. and grandson of John Jacob Astor, died in 1890, having served as trustee since 1858 and as treasurer since 1868. By his will, $400,000 was left to the library. As William Waldorf Astor declined to fill the vacancy, the board ceased to have an Astor on it. At the time of consolidation the trustees, in order of seniority, were Markoe, Henry Drisler, John Lambert Cadwalader, Henry C. Potter, Stephen
William Backhouse Astor Sr. William Backhouse Astor Sr. William Backhouse Astor Sr. (September 19, 1792 – November 24, 1875) was an American business magnate who inherited most of his father John Jacob Astor's fortune. He worked as a partner in his father's successful export business. His massive investment in Manhattan real estate enabled major donations to the Astor Library in the East Village, which became the New York Public Library. William was born in New York City on September 19, 1792 and named after William Backhouse, a friend of his father who was a New York merchant. He was a son of fur-trader John