Answer: Plato and Aristotle
Step-by-step explanation:
Aristotle is considered to be a great figure in the Greek philosophy, especially making contributions to the discipline of mathematics, logic, metaphysics, physics, ethics, biology, botany, politics, medicine, agriculture, and theater.
Plato is considered to be one of the founder of political philosophy. Plato's one of the most famous contribution is considered to be the theory of Forms, under which he tends to present solution to problem of the universals also known as the Platonism.