"select orations of Isocrates, and the tragedies of Sophocles"
Bust of Isocrates
Creative Commons Attribution Share AlikeBust of Isocrates - Credit: Wikimedia Commons

Isocrates (436-338BC), an ancient Greek rhetorician and one of the ten Attic Orators, was  probably the most influential rhetorician of his time.  His contribution to education and rhetoric was considerable.

Bust of Sophocles
Creative Commons Attribution Share AlikeBust of Sophocles - Credit: Wikimedia Commons

Sophocles (497/6-406/5BC) is one of the three ancient Greek tragedians whose plays have survived.  Those of Aeschylus and Euripides are the only others.  Sophocles had a great influence on the development of drama and of characterisation.