Antonio Possevino

Antonio Possevino (Antonius Possevinus) (10 July 1533 – 26 February 1611) was a Jesuit protagonist of Counter Reformation as a papal diplomat and a Jesuit controversialist, polemicist, encyclopedist, and bibliographer. He was the first Jesuit to visit Muscovy, Sweden, Denmark, Livonia, Hungary, Pomerania, and Saxony in amply documented papal missions between 1578 and 1586 where he championed the enterprising policies of Pope Gregory XIII. Provided by Wikipedia