Complex sentence: During her years in Philadelphia she helped to found the Institute of Contemporary Art, acting as its founding director, and wrote as sculpture critic for the periodical Art News before enrolling in the Ph.D program in Philosophy at Columbia University.
Split into simpler sentences: During her years in Philadelphia she helped to found the Institute of Contemporary Art, acting as its founding director. After graduation, she worked as a sculpture critic for the periodical Art News before enrolling in the Ph.D program in Philosophy at Columbia University.