Jacob John is a famous American businessman and philanthropist who is best known for his involvement in the ASTOR family. He was born in 1763 and was the son of John Jacob ASTOR, one of the wealthiest men in America at the time. He inherited his father's fortune and became a successful entrepreneur and investor. He was also a major benefactor of the ASTOR Library, which is now part of the New York Public Library. Jacob John ASTOR was an important figure in the early history of the United States and his legacy lives on today.