Niccolò di Buonaccorso: A Sienese Master of Illusionistic Detail Niccolò di Buonaccorso, also niccolò di niccolò di buonaccorso or bonaccorso, was an italian painter and one of the most prominent sienese painters of the 14th century. The small body of his work that survives shows the artist's highly refined miniaturist technique. He was born in Siena around 1388, though little is known about his early life beyond his father’s role as…