Who was the calligrapher in the late Song Dynasty and the early Yuan Dynasty, and who went to the Tang Dynasty and the Jin Dynasty?

Does the subject want to ask, "Who learned the great four-person calligrapher in the late Song Dynasty and early Yuan Dynasty, and who learned it in the Tang Dynasty and Jin Dynasty?" Zhao Mengfu.

According to the inquiry of official website of China Calligraphers Association, Zhao Mengfu, a calligrapher in the late Song Dynasty and early Yuan Dynasty, re-established strict statutes in various fields such as Cao Cao, Li and seal script, and established the authoritative value of classical style. Handed down from generation to generation are Danba tablet, Luoshen Fu, Tao Te Ching and so on.