Complex sentence: Luciano Petech (1914--2010), a scholar of Himalayan History and the early relations between Tibet, Nepal and Italy, was Chair of History of Eastern Asia in Rome University from 1955 to 1984.
Split into simpler sentences: Luciano Petech (1914--2010) was a scholar of Himalayan history and the early relations between Tibet, Nepal and Italy. He was Chair of History of Eastern Asia at the University of Rome from 1955 to 1984.