Caption on back reads, "Teach In Student Union." Addressing a crowd of student protesters, a young man standing on a table gestures and speaks. On October 23-24, 1968, U.C. Berkeley students took over several campus buildings, including Sproul Hall, Dwinelle Hall, Campbell Hall, and Moses Hall, to protest, among other things, the denial of course credit to a class about racism that featured Eldridge Cleaver as a guest lecturer.