Known as Gio. Born in Milan in 1891, there he died in 1979. After his graduation ion architecture in 1921, he became interested in the experience "Viennese Secession". He worked for Richard Ginori's from 1923 to 1930.He established the magazine "Domus" in 1928 and the magazine named "Stile" in 1941. In 1946 he designed a series of multicoloured objects for Venini & Co . And during the 60s for Fucina degli Angeli .