Complex sentence: She received her B.A. in psychology from Mount Holyoke in 1948, her M.A. in 1954 and her entire teaching career as a professor at Mount Holyoke as well.
Split into simpler sentences: She received her B.A. in psychology from Mount Holyoke in 1948 and her M.A. in 1954. She spent her entire teaching career as a professor at Mount Holyoke as well.