What Did Clement Greenberg Do?

What Did Clement Greenberg Do? What did Clement Greenberg do? Clement Greenberg, (born Jan. 16, 1909, Bronx, N.Y., U.S.—died May 7, 1994, New York, N.Y.), American art critic who advocated a formalist aesthetic. He is best known as an early champion of Abstract Expressionism. Greenberg was born to parents of Lithuanian Jewish descent. What is