What 15th century Italian painter’s naturalism and use of perspective led Western painting away from the prevailing Gothic style towards the conceptual and stylistic foundations of the Renaissance?

What influential 19th century French Academic Classical painter is now remembered primarily for his influence as a teacher of other artists including Pierre Puvis de Chavannes and Édouard Manet?

Answers here~ https://schristywolfe.com/2015/12/21/december-21/