William H. Vanderbilt was an American businessman born on May 8, 1821. He was the eldest son of Cornelius Vanderbilt, a prominent railroad and shipping magnate. After his father's death in 1877, William took over the family business and significantly expanded the New York Central Railroad system, making it one of the largest and most profitable railroads in the United States. Vanderbilt was known for his keen business acumen and strategic investments. He played a crucial role in the development of the American transportation industry during the late 19th century. William H. Vanderbilt passed away on December 8, 1885, leaving a lasting legacy in the world of business.