View of St Peter's and the Vatican Seen from Prati Di Castello by Gaspare Vanvitelli.
Gaspare Vanvitelli, also known as Casper van Wittel, was born in Amersfoort in 1653. Nowadays he is known to have been a famous painter of landscapes in Italy, though nearly anybody knows him in his homeland. He is one of the principal painters of topographical views known as vedute. His son Luigi would become a famous architect and also carries the italianized family name of Vanvitelli.