Giulio Carlo Argan; Art Historian, Former Mayor of Rome

Giulio Carlo Argan, 83, an art historian who was the first Marxist mayor of Rome. A leading expert on Italian art, Argan was a professor at the University of Rome and a prolific author. His three-volume work on the history of Italian art, published between 1965 and 1970, is used widely as an important reference. On Wednesday in Rome of a heart attack.