April 24, 2017 [originally published in CV90 in Winter 2012] — Guy Tillim’s sizable exhibition (initially organized by the Museum of Contemporary Photo at Columbia College in Chicago) at the Design Exchange was a provocative inclusion in 2011’s Scotiabank contact Festival. The title of the exhibition evokes the spirit of Patrice Lumumba, a staunch supporter of African nationalism and the first elected prime minister of the Congo after it gained independence from Belgium in June 1960…