Marcello Nizzoli(it)
Olivetti(it)
BBPR(it)
Mario Bellini(it)
Perry A. King(gb)
Ettore Sottsass(it)
«I never design a building before I've seen the site and met the people who will be using it.» Frank Lloyd Wright
1949 calculator Summa 15 
1950 Typewriter Lettera 22
1962 desk Arco 
1966 Video display terminal TCV 250
1969 Typewriter Valentine 
1971 Chair Synthesis 45 
1972 Calculator Divisumma 28 