American essayist and visual art critic
According to Wikipedia,
Clement Greenberg , occasionally writing under the pseudonym K. Hardesh, was an American essayist known mainly as an art critic closely associated with American modern art of the mid-20th century and a formalist aesthetician. He is best remembered for his association with the art movement abstract expressionism and the painter Jackson Pollock.
Clement Greenberg is affiliated with the following schools: