 He returned to New York, reacting against the color and imagery of his Paris works, he began to paint monochromatic pictures with empty centers.He divorced and began exhibiting in group shows, and by 1956 was remarried and had joined the faculty of C. W. Post College on Long Island.In 1958 he had his first New York one-person show, at the Zodiac Room of the Alexander Iolas Gallery, and met Clement Greenberg, who exhibited Olitski's paintings in a large solo show at French & Company in May 1959.