 His long professional activity, which began before his graduation at the end of the 1920s with his father Arnaldo Gardella, produced an enormous quantity of projects and realizations.In the same years he was a leader of important cultural events, like CIAM (in 1952 he founded, with others, the summer session in Venice; in 1959 he participated in CIAM X in Otterlo in the Netherlands), or the first INU conferences (starting in 1949).The figure of Gardella remained at the pinnacle of Italian architecture for all of the 1960s and '70s, with intense professional activity whose importance is proven by his presence in international publications.