Giovanni d'Agostino: Life and Legacy Early Life and Training Giovanni d'Agostino (also known as Agostino di Giovanni) was an Italian architect and sculptor active between 1310 and 1347, born in Siena around 1285. His origins lie within a Sienese family with a tradition of sculpting and architecture. Early biographical accounts, notably those by Giorgio Vasari, suggest he initially trained in the workshop of Giovanni Pisano. However, m…