Plato Plato made significant contributions biography.com "Plato Biography Philosopher, Writer (c. 428 BCE–c. 348 BCE" Plato Plato - Biography - Writer, Philosopher - Biography.com Plato - Biography.com "Plato Biography Philosopher, Writer (c. 428 BCE–c. 348 BCE" a man named Plato biography.com biography.com the Greek philosopher Plato biography.com