Complex sentence: In 1962 she returned to Universidad Nacional Mayor de San Marcos as professor and remained there until 1973, from 1972 until 1976 she was the General Director of the Institute of Culture.
Split into simpler sentences: In 1962 she returned to Universidad Nacional Mayor de San Marcos as professor and remained there until 1973. From 1972 until 1976 she was also the General Director of the Institute of Culture.