Isocrates

Isocrates (/aɪ.ˈsɒk.rɑ.tiːs/; Ancient Greek: Ἰσοκράτης; 436–338 BC), an ancient Greek rhetorician, was one of the ten Attic orators. In his time, he was probably the most influential rhetorician in Greece and made many contributions to rhetoric and education through his teaching and written works.