 Silvestro e Martino ai Monti" by Pope Paul VI in the consistory of 22 February 1965, and was one of the cardinal electors who participated in the conclaves of August and October 1978.In the latter conclave, the ill Cardinal obtained many votes as a compromise candidate between Giuseppe Siri and Giovanni Benelli, but he stated that he would decline the papacy in the event of his election and so Karol Wojtyła was elected instead.He retired as head of the Milanese see on 29 December 1979.