CONTRARIAN Steven Mark Klein The Room 21’9″ x 25’8″ Accelerating towards the entrance ramp. On. Art financier and agent Leo Castelli began his ascent with his first exhibition at 4 East 77th Street, just yards from 5th Avenue. February 1957. This article is not about Leo Castelli. This article is not about the artists he invested in. This article Zoé de Sagan • Art