In conjunction with the exhibition, Group Dynamics: Family Portraits and Scenes of Everyday Life at the New-York Historical Society, the Society will present a one-day symposium, moderated by Columbia University professor Richard Brilliant, exploring themes presented in the exhibition and its accompanying catalogue of the same title (The New Press, 2006). A panel of six speakers will elaborate upon themes in the exhibition. $30 (members, students, educators, seniors $15) To reserve tickets, call (212) 485-9205. Charge your order to Visa, Mastercard or American Express. Advance payment is required to guarantee a spot.