After the war, Vonnegut became an anthropology graduate student at the University of Chicago. He also worked at the City News Bureau of Chicago. Vonnegut admitted that he was a not a good student. One professors said that some of the students were going to be professional anthropologists but he was not one of them. In the book "Bagombo Snuff Box", Vonnegut wrote that the university rejected his first thesis. It was about Cubist painters and the leaders of Native American uprisings. The university said it was "unprofessional."