her, he was first active in Florence but from 1335 onward documents record his almost uninterrupted presence in Siena. It is legitimate to suppose that he received his training in Florentine circles and perhaps at Assisi: he combined the lesson of Giotto
with the new expressive possibilities and rhythmic solutions discovered by sculptors (Tino da Camaino), so that the forms appear set within dynamic outlines, animated by human feelings. In contrast to the aristocratic world of \b \cf4 \ATXht1044 Simone
Martini\b0 \cf0 \ATXht0 , Ambrogio was interested in simple and everyday reality, which he described with a lively sense of narrative.