Auction introduction: Sotheby’s is honored to present a landmark single-owner sale of works from the Collection of Dorothy and Roy Lichtenstein, celebrating one of the most visionary artists of the 20th century. Offered for the first time at auction, this extraordinary group of paintings, collages, sculptures, drawings, and prints spanning four decades of Roy Lichtenstein’s pioneering practice, offers a rare and deeply personal survey of an artist who transformed and redefined the language of art history.