Gaspar van Wittel / Vanvitelli. Caspar van Wittel or Gaspar van Wittel, known in Italian as Gaspare Vanvitelli or, was a Dutch painter and draughtsman who had a long career in Rome.
   He played a pivotal role in the development of the genre of topographical painting known as veduta. He is credited with turning topography into a painterly specialism in Italian art.
   Van Wittel was born into a Roman Catholic family. His father was a cart maker.
   Caspar studied painting in Amersfoort with the relatively obscure Thomas Jansz van Veenendaal for 4 or 5 years and then with the better known Matthias Withoos for 7 years. His first extant works were made in Hoorn in 1672 to where he had fled after the French invasion and occupation of Amersfoort in the Rampjaar.
   He returned to Amersfoort where he was active until 1674, the year in which he left for Italy together with his friend Jacob van Staverden, another pupil of Withoos. Like his former teacher Withoos, he joined the Bentvueghels, an association of mainly Dutch and Flemish artists working in Rome. His nickname in the Bentveughels was Piktoors or Toorts van Amersfoort. He was also nicknamed Gasparo dagli Occhiali'. He worked in Rome together with the Flemish painter Abraham Genoels and may even have been his pupil. Other collaborators included Hendrik Frans van Lint who would become one of the leading vedute painters in the first half of the 18th century. In 1697 van Wi
Wikipedia ...