Donato Bramante
The monastery and church became a large landholder in northern Italy and into what is now the Swiss Canton of Ticino. On 4 August 1528 it was the so-called "Peace of St. Ambrose", between the noble and popular factions of the city, was signed here. In 1492 the Benedictines commissioned Donato Bramante, structural architect of St. Peter's Basilica, to renovate the new rectory.