Crates

In the 1911 Encyclopædia Britannica, Crates (undefined Κράτης):
 * (fl. c. 470 B.C.), Athenian actor credited with the invention of Greek comedy
 * , philosopher and leader of the Academy
 * , Stoic philosopher and librarian at Pergamum
 * (the “Door-Opener”) ( 4 th century B.C.), Cynic philosopher, pupil of Diogenes and teacher of Zeno of Citium