He was born in Catania on September 4, 1945. Journalist from 69 to Paese Sera. He moved to Repubblica in '79: correspondent, head of service, editor-in-chief, founder and director for four years on Friday, editor of the monthly Wimbledon. He directs the Monday edition of Il Foglio, he is a columnist for La Stampa and La Gazzetta della sport and writes for Vanity fair and Il Sole 24 ore. Dell'Arti is a historian of recognized authority, specialized in biographies; published (among others) The Man of Trust (1999), The day before 2008 (7247) and the encyclopedic work Catalog of the living - 2008 remarkable Italians (5062, re-edition of the Catalog of living - 2006 remarkable Italians, 2011 ). Among the latest books are: Cavour - Life of the man who made Italy (2013); Francis. Do not be afraid of tenderness (2014); The newcomers (2015); Moravia. I'm alive, I'm dead (2016); Pagan Bible (XNUMX).