Complex sentence: Jože Pirjevec (born 1 June 1940) is a Slovene-Italian historian and a prominent diplomatic historian of the west Balkans region, as well as a member of the Slovenian Academy of Sciences and Arts.
Split into simpler sentences: Jože Pirjevec (born 1 June 1940) is a Slovene historian from Italy. He is one of the most prominent diplomatic historians of the west Balkans region, and member of the Slovenian Academy of Sciences and Arts.