Later in life this religious figure wrote a biography of the hermit Hilarion.  
Later in life this religious figure wrote a biography of the hermit Hilarion.  A student of St. Gregory of Nazianzus, he and St. Paula founded a hospice and free school in Jerusalem not far from the Bethlehem area where he engaged in daily attacks of the Pelagians.  Earlier in Rome, he supported Pope Siricius' decree that priests should not marry and worked as a secretary for Pope Damasus I.  FTP, name this saint who took a pilgrimage to the Holy Land in 385, three years after he began working on his Latin translation of the Bible, the Vulgate.
Later in life this religious figure wrote a biography of the hermit Hilarion.  
St. Jerome or Eusebius Hieronymus