In conjunction with No Rules and As in Nature, the Clark presents a weekend of events celebrating Helen Frankenthaler. On Saturday, September 23, “Abstract Expressions: An American Musical Exhibit,” composed of two ticketed events and two free events, will be performed in various locations. At 3:30 pm, artist Clifford Ross and curator Jay A. Clarke present the lecture “Helen Frankenthaler’s Creative Process.” On Sunday, September 24 at 2 pm, Thomas Krens presents the lecture “In Collaboration with Helen Frankenthaler.” Click here for more information on all events.