Students of Amy Hillier's freshman seminar, Du Bois' Philadelphia (URBS 0350), study the impact of Du Bois' research on the Black population of the 7th Ward and its relevance to understanding racism, violence, and inequity in Philadelphia today. Photo: In front of “Living Quarters” with Dr. Hillier, part of the 7th Ward's "Reflecting Revenants" photo series. (Tyger Williams / Philly Inquirer Staff Photographer).