Madonna Adoring the Sleeping Child, early 1460s, Tempera on wood, 28 1/2 x 18 1/4 in. (72. 4 x 46. 4 cm), Paintings, Giovanni Bellini (Italian, Venice, active by 1459?died 1516 Venice), This is an important early work by Giovanni Bellini, the greatest painter of fifteenth-century Venice and one of the key figures of European painting. Datable to the mid-1460s, its hard, linear quality is indebted to the example of Bellini's brother-in-law, Andrea Mantegna, as well as to the sculpture of Donatello, which Bellini studied in Padua