After the end of the First World War Lazzari joined the Italian Futurist movement and exhibited with such artists as Giacomo Balla and Gino Severini.
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He established his studio there and participated in the World War II National Artists for Victory exhibition at the Metropolitan Museum of Art (1942).
Pietro Mascagni | Pietro Bembo | Pietro da Cortona | Ponte San Pietro | The Battle of San Pietro | Pietro Tacca | Pietro Perugino | Pietro Canonica | Pietro Annigoni | San Pietro in Casale | Pietro Tenerani | Pietro Tagliavia | Pietro Frua | Pietro Consagra | San Pietro in Ciel d'Oro | Pietro Verri | Pietro Scalia | Pietro Lombardi | Pietro Gori | Pietro Delitala | Pietro de' Crescenzi | Pietro Badoglio | Pietro Paolo Cristofari | Pietro Nobile | Pietro Musumeci | Pietro IV Candiano | Pietro Garinei | Pietro Della Valle | Pietro Cascella | Pietro Aretino |