Sostrătus in Harpers Dictionary of Classical Antiquities (1898)

(Σώστρατος). The son of Dexiphanes, of Cnidus. He was one of the great architects who flourished during and after the life of Alexander the Great. He built for Ptolemy I. of Egypt the great Pharos or light-house at Alexandria, which was one of the Seven Wonders of the World, and also erected at Cnidus a portico supporting a terrace (Pliny , Pliny H. N. xxxvi. 83).