The university has a strong liberal arts focus and attracts a geographically and economically diverse student body, with 72% of its non-international undergraduates being from out of state, 50% of full-time undergraduates receiving need-based financial aid and 13.5% being recipients of the federal Pell Grant. 44% of students identify as Jewish. It has the eighth-largest international student population of any university in the United States. Alumni and affiliates of the university include former first lady of the United States Eleanor Roosevelt, Nobel Prize laureate Roderick MacKinnon and Fields Medalist Edward Witten, as well as foreign heads of state, congressmen, governors, diplomats, and recipients of the Nobel Prize, Pulitzer Prize, Academy Award, Emmy Award, and MacArthur Fellowship.