Castiglioni Achille
Born in Milan in 1918, he started work as an architect and designer with his brothers Livio and Pier Giacomo in 1938. One of the great masters of Italian design, he was a founding member of ADI in the fifties. The long list of awards he has received include eight Compassi d'Oro. His activity as a designer is an unmistakable blend of simplicity, irony and fun and its shows his close interest in the way objects are used, in the potential offered by technology and in the use of new materials. He dies in 2002.

Castiglioni Pier Giacomo
Born in Milan in 1913. He graduated in architecture from the Polytechnic of Milan where he later would teach architectural composition. He started working with his brothers Achille and Livio immediately after the war focussing their attention mainly on city planning, architecture and particularly on design. Together with Achille, he received various acknowledgements such as the permanent exhibition of six of their works at the Museum of Modern Art of New York and won five editions of the Compasso d'Oro award.