Plato was a Classical Greek Philosopher and founder of the Academy in Athens, the first institution of higher learning in the western world. He is widely considered the most pivotal figure in the development of philosophy. Unlike all of his philosophical contemporaries, Plato's entire work is believed to have survived intact for over 2400 years! Check out the Plato watch by Divided by Zero!
Image by Raphael - Web Gallery of Art: Public Domain, https://commons.wikimedia.org/w/index.php?curid=75881