The students lucky enough to attend Renaissance High School in the years just before and after the new millennium were witnessing a genius in the making without knowing it. To be sure, it is Renaissance after all, and that sentiment could apply to just about any student at any time in history at Detroit’s leading magnet high school. In this instance, the would-be history maker was one of the school’s history teachers. Back in 1999, Renaissance teacher Catherine Coleman Flowers – Miss or Mrs. Flowers to those of a