BLUFFTON — Phil Sugden, assistant professor of art at Bluffton University, will present the Colloquium “Activismo: Art & Dissidence in Cuba” at 4 p.m. April 7 in Centennial Hall’s Stutzman Lecture Hall at Bluffton University. The event is free. In December 2015, Sugden and Carole Elchert, assistant professor of communication at the University of Findlay, traveled to Havana, Cuba, to interview artists and gather footage for the film.