NEW YORK, N.Y.- Swann Galleries’ October 27 auction focuses on Atelier 17, the printmaking workshop founded by Stanley William Hayter, and its extraordinary influence on the fine arts in America and Europe from the mid 20th century onward. The sale, titled Atelier 17, Abstract Expressionism & The New York School, was a year in the making and is the first to explore the studio’s impact. The auction catalogue is organized into three sections. The first, Atelier 17: Europe and the Early Years, features several engraving by Hayter, as well as surrealists such as Salvador Dalí, Max Ernst and Joan Miró. Among the attractions of Atelier 17 in the beginning were the magnetic personality and technical prowess of Hayter as printmaker and teacher, and the presence of experienced artists such as the Surrealists and others, including Alexander Calder, Jacques Lipchitz and Pablo Picasso, who worked side-by-side with younge