Which Italian Catholic priest and Renaissance humanist  is best known for his textual analysis that proved that the Donation of Constantine was a forgery?
Lorenzo (or Laurentius) Valla
Title: Donation of Constantine
Passage: The Donation of Constantine ( ) is a forged Roman imperial decree by which the 4th century emperor Constantine the Great supposedly transferred authority over Rome and the western part of the Roman Empire to the Pope.  Composed probably in the 8th century, it was used, especially in the 13th century, in support of claims of political authority by the papacy.  Lorenzo Valla, an Italian Catholic priest and Renaissance humanist, is credited with first exposing the forgery with solid philological arguments in 1439–1440, although the document's authenticity had been repeatedly contested since 1001.
Title: Lorenzo Valla
Passage: Lorenzo (or Laurentius) Valla (] ; 14071 August 1457) was an Italian humanist, rhetorician, educator and Catholic priest.  He is best known for his textual analysis that proved that the Donation of Constantine was a forgery.
Title: Alberic Crescitelli
Passage: Alberico (Alberic) Crescitelli (1863–1900) was an Italian Catholic priest and missionary to China.  Born in Italy on 30 June 1863, Father Alberico Crescitelli entered the Pontifical Institute for Foreign Missions in 1880 and was ordained a priest on 4 June 1887.  The following year he went to China and began work in southern Shaanxi.
Donation of Constantine Lorenzo Valla