Designer. Born in Milan in 1930; worked in Cermenate. He began his career in 1954. He has been president and head of architecture and industrial design for A&D since 1972. His clients include companies such as Poltrona Frau, since 1967; Fratelli Guzzini, since 1964; Nazareno Gabrielli, since 1969; Gallotti & Radice, since 1969.
 
He has been editor and designer for Forme magazine since 1962. Sergio Mazza. Born in Milan in 1931, he became an architect in 1961. He works with Giualiana Gramigna on interior and industrial design. Amongst the prizes and awards he has received are a nomination for the Compasso d’Oro award for his Delta lamp for Artemide. He headed Ottagono magazine from its creation until 1988. Giuliana Gramigna. Born in Milan in 1929, she became an architect in 1961. She works with Sergio Mazza on interior and industrial design. A member of the editorial team at Ottagono until 1988. First prize at the Cedit-Piastrella d’Oro competition in 1961, awards at the XIII and XIV Milan Triennale. She is a designer for many companies, including Artemide, Bacci, Bellotti, Cinova, Gabbianelli, Krupp Italia, Olivari Quattrifoglio and, of course, Poltrona Frau.