Chicago: Hamza Walker, AB'88, teaches an Odyssey Project art history class. (Photo by Jason Smith) Free thinking In San Francisco and Chicago, College alumni transform education through programs that are innovative, old-fashioned, and free. By Author Carrie Golus, AB’91, AM’93 |— The Core, Winter/12 Education & Social Service Free thinking http://thecore.uchicago.edu/Winter2012/features/free-thinking.shtml