2. The "Huang" mentioned in the title is Huang Tingjian, one of the four great calligraphers in the Northern Song Dynasty. The other three are Su Shi, Mi Fei and Cai Xiang. These four people can generally represent the calligraphy style of the Song Dynasty and have the highest achievements, so they are called "Song Sijia".
Since the Ming and Qing Dynasties, some people thought that "Cai" should be Cai Jing. Later generations looked down on him, so they changed Cai Jing to Cai Xiang and thought that Cai Xiang's artistic achievements were above Cai Jing.
Extended data:
Brief introduction of Huang Tingjian:
Huang Tingjian, whose real name is Taoist in the valley, was later called Huang Gu, later named Fu Weng, and was born in Fenning, Hongzhou (now Xiushui, Jiangxi). Poet and calligrapher of the Northern Song Dynasty. Yingzong Zhiping for four years (1067), Jinshi.
Huang Tingjian came from Su Shi's school, and he was also called "Four Bachelor of Su Men" with Zhang Lei, Qin Guan and Chao. Later, he and Su Shi were called "Su Huang" together. His most important achievement is poetry. Poetics flaunts Du Fu, but emphasizes the theory of reading and verification, taking the old as the new, "no words and no place", "thoroughly remoulding oneself, turning stone into gold". He had a great influence in the Song Dynasty, and initiated Jiangxi Poetry School. He can write, and he is good at writing and cursive.
Baidu Encyclopedia-Song Sijia
Baidu Encyclopedia-Huang Tingjian