Perspective allowed for much more life-like paintings and allowed for a three dimensional look.
France (1923–1941) In 1923, Chagall left Moscow to return to France. ... He formed a business relationship with French art dealer Ambroise Vollard. This inspired him to begin creating etchings for a series of illustrated books, including Gogol's Dead Souls, the Bible, and the La Fontaine's Fables.
The definition of a sculptor is an artist who takes a material and molds or carves it to make a finished product. An artist who takes a lump of marble and carves it into a statute is an example of a sculptor.
According to
https://www.yourdictionary.com/sculptor