The construction of the monument was initiated by Perikles, the supervisor of the whole work was Pheidias, the famous Athenian sculptor, while Iktinos and Kallikrates were the architects of the building. The temple is built in the Doric order and almost exclusively of Pentelic marble. It is peripteral, with eight columns on each of the narrow sides and seventeen columns on each of the long ones. The central part of the temple, called the cella, sheltered the famous chryselephantine cult statue of Athena, made by Pheidia