In Rome he became a secretary to Pope Damasus and wrote criticism of many religious figures including Jovinian, the Pelagians, his friend Rufinus, and St. Augustine.  
In art he is often depicted on the ground with a rock to beat against his chest.  According to one story, God once accused him of being a Ciceronian in his dreams.  He was ordained a priest by St. Paulinus of Nola and he went to Rome because of the Miletian schism.  In Rome he became a secretary to Pope Damasus and wrote criticism of many religious figures including Jovinian, the Pelagians, his friend Rufinus, and St. Augustine.  FTP, name this ascetic and scholar who led a pilgrimage to the Holy Land in 385 where he would write the Vulgate.
In art he is often depicted on the ground with a rock to beat against his chest.  
St. Jerome or Eusebius Hieronymus