Works from the estate of Peter Miller, shown in her studio, will be on view in “Peter Miller — Forgotten Woman of American Modernism,” running April 23 through May 31 at Gratz Gallery and Conservation Studio in Doylestown, Pa. A 40th anniversary party for the gallery and preview of the exhibit are on April 23 from 5 to 9 p.m. For more information, visit gratzgallery.com. (Julien Levy Gallery Records, Philadelphia Museum of Art, Library and Archive)