Who is the Tang Dynasty poet who initiated the culture of "writing with poetry" and had a great influence on Song poetry?

Han Yu. "Taking prose as poetry" was first advocated by Han Yu, who advocated introducing or borrowing the word-using, syntax, composition and expression techniques of prose in poetry creation. Han Yu (65438+768-February 25th, 824) was born in Heyang, Henan (now Mengzhou, Henan). He said that when he practiced martial arts in Huaizhou (now Henan Province), he called himself "County King Changli" and was called "Han Changli" and "Mr. Changli" by the world. Officials, writers, thinkers, philosophers, politicians and educators in the middle Tang Dynasty.