Which Italian portrait painter of the late Florentine school was so technically skilled that several copies he made of Correggio’s works were thought to be duplicates by Correggio himself?

Which painter and printmaker, a pioneer of American Impressionism and perhaps its most prolific and successful practitioner, was noted for his urban and coastal scenes?

Answers here~ https://schristywolfe.com/2015/10/17/october-17/