The Clack family remembers their patriarch, Floyd, who served as chairman for civil rights leader Jesse Jackson's 1988 presidential campaign. FLINT, Mich. (WJRT) - The community is reflecting on the life and enduring legacy of civil rights icon Jesse Jackson, whose historic 1988 presidential campaign left a lasting mark. A Flint native, Floyd Clack, served as the chairman for Jackson's campaign in Flint and Genesee County that year.