Complex sentence: Leavitt received her B.A. from Antioch College in 1963, and her a M.A.T., M.A. and PhD in history from the University of Chicago in 1975.
Split into simpler sentences: Leavitt received her B.A. from Antioch College in 1963. She received a M.A.T., M.A. and PhD in history from the University of Chicago in 1975.