In the early 1960s, artist Alison Knowles and her husband, Dick Higgins, were part of the informal international art movement that came to be known as Fluxus. Higgins, Knowles, and fellow Fluxists like Yoko Ono emphasized the beauty of ordinary objects and attempted to break down distinctions between artists and other people and art and everyday life. Knowles, who started out as a painter, created performance pieces that included beating up on old furniture, finding an object in the street and giving it away, and eating the same lunch--"a tuna fish sandwich on wheat toast with butter and lettuce and a glass of buttermilk or a cup of soup"--every day for two years. This week Knowles, who's continued to work as New York-based performance and installation artist, will be at the College of DuPage's Gahlberg Gallery for a series of events culminating in an exhibit, October Leaves Falling: A Collaborative and Interactive Project by Alison Knowles, that's set to open October 2. Knowles will launch the project with a lecture, "Fluxus Around the Clock," at 7 PM on Thursday, September 25, in the Studio Theatre of the college's McAninch Arts Center. She'll also conduct two workshops in the gallery: one on found objects, from 10:30 to 1:30 September 29 and October 1, and one on performance, from 10:30 to 1:30 September 30 and October 2. Her visit will end with a performance, Secrets of Ordinary Things, at 6 on October 2 in the Studio Theatre, and with the opening of "October Leaves Falling," which will continue at the gallery through November 8. Both the gallery and the theater are located in the arts center at Park and Fawell in Glen Ellyn. All events are free, but reservations are required for the workshops; call 630-942-3206.