socialist and popularized the theories of Charles Fourier. He was one of two sons born to James Brisbane, a wealthy landowner. His house was erected in 1854. Capt. Jacob Vanderbilt (1807–1893), brother of Cornelius "Commodore" Vanderbilt, built a mansion on Grymes Hill in the midst of wood and open land, covering a large area. General Thomas Jordan (1819–1895), owned the Unker dwelling, a 30-acre property with beautiful views. William Greene Ward (1832–1901), a banker and Civil War colonel whose 1867 mansion served as the Wagner College music building during 1949–1984. Edward King (1833–1908), President of the Union Trust Co. of New York, owned a house here. Charles Wallace Hunt (1841–1911), an inventor, business executive, and President of the American Society of Mechanical Engineers. He invented new methods in the storing and handling of coal. He purchased his residence on Grymes Hill in 1900. W. Butler Duncan I (1830–1912), a New York banker and railroad executive, in 1858 purchased a mansion on 20 acres of land from Madame Grymes. Mamie Fish (1853–1915), New York socialite and one of the so-called Triumvirate of American Gilded Age society John Gans (c.1867–1915), a steamship-company owner, built his family estate on the hill because it overlooked the New York Harbor where he operated his steamship company. St. John's University's Flynn Hall is the former home of John Gans. Louis A. Dreyfus (1867–1920), a local maker of chewing gum, built his former estate on what it is today part of the 13-acre Notre Dame Academy, an all-girls Catholic elementary and high school. George H. Kendall (c.1854–1924) was the president of the New York Bank Note Company, that printed stock certificates. He was also an art collector. He moved to Grymes Hill in 1896. William Horrmann (1863–1927), owner of Stapleton's Rubsam & Horrmann Brewing Company, built Horrmann Castle at 189 Howard Avenue in 1910. The building was torn down in 1968. Edward W. Thompson (1864–1932), a millionaire sportsman and head of the Jas. Thompson & Sons Lumber Company, who built Thompson Stadium, a 9,000-seat facility on the island, resided at 72 Louis Street on Grymes Hill. William Butler Duncan II (1862–1933), a leader in American yacht racing and naval service, adopted son of W. Butler Duncan I. Prestonia Mann Martin and her husband John William Martin (c. 1864–1956), a wealthy Socialist family and members of the Fabian Society lived in their home at 37 Howard Avenue. The