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His early work anticipated Pop Art.. At the Bread Show at the Galleria della Bussola, Turin, in 1952 he presented the public with a number of Turin loaves cast in bronze, eight years before Jasper Johns thought of casting his two famous beer cans.
He was one of a handful of artists who, like Fontana, Capogrossi, Burri and few others, started again from zero acknowledging the informal experience as the essential condition for the artistic quest in which Form is given as the primary possibility to build the artists own existential experience.
He later became interested in the artistic potential of water and designed a number of public fountains. There is a museum of his work in Frontino, Italy, where one of his fountains can be seen.
Other public art includes the Via Crucis in Saint Basil's Catholic Church, Los Angeles, and The Big Candy in MacArthur Park, Los Angeles.