LONDON.- Containing works by artists including Filippo de Pisis, Fortunato Depero and Giorgio de Chirico, the collection of Alberto Della Ragione provides an extraordinarily comprehensive overview of Italian Modernism. The exhibition is on display through April 3, 2011 at Estorick Collection. Della Ragione was born in Piano di Sorrento near Naples in 1892, but lived for most of his life in Genoa where he died in 1973. He trained and practised as a naval engineer but art was his great passion. In the 1920s he began collecting nineteenth-century paintings and he came into contact with Modernist styles by frequenting salerooms. It is said that his first purchase of a twentieth-century work was made as a challenge to himself to understand an artistic vocabulary which was, at the time, alien to him. Determined to discover what others saw in such works, he hung his acquisition by his bed so that he could not ignore it. I