Pier Marcellino Corradini was an influential Italian prelate and archaeologist who lived from 1658 to 1743. Born in Sezze, he rose through the ranks of the Roman Curia to become a cardinal and the Titular Archbishop of Athens. Throughout his career, he held several significant positions, including serving as the Camerlengo of the Sacred College of Cardinals and the prefect of the Congregation of the Council. Beyond his administrative duties, he was noted for his expertise in both civil and canon law.