Achille and Pier Giacomo Castiglioni,
Achille Castiglioni (1918-2002) studied He studied architecture at the Milan Polytechnic, where he graduated. in 1944. He joined He saw his brothers Livio (1911-1979) and Pier Giacomo (1913-1968) in their design studio in Milan. The lack of architectural projects forced them to to develop design projects for Italian manufacturers. of the family study in 1952.