How was Louis B Sullivan famous?

Answer:
an American achitect. father of moderism
He is known for being the first man to build a "skyscraper" at 10 stories tall. Studied under Mr.Jenney, a famous architect.
Contributor: Brandy
First answer by ID1205708521. Last edit by Brandy Reed. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 2 [recommend question].