Su Shi (January 8, 1037 - August 24, 1101), also known as Zizhan and Hezhong, was also known as Tieguan Taoist and Dongpo layman. He was also known as Su Dongpo and Su Xian[1 ][2][3]. Han nationality, a native of Meishan, Meizhou (now part of Meishan City, Sichuan Province), and his ancestral home is Luancheng, Hebei Province. He was a writer, calligrapher and painter in the Northern Song Dynasty.
Zhuangzi (approximately 369 BC - 286 BC), a philosopher, writer, thinker during the Warring States Period, the main founder of Taoist doctrine and thought, Zhuang, named Zhou, courtesy name Zixiu (first name Zimu) , Han nationality, from Mongolia, Song Dynasty (now Mengcheng, Anhui, also known as Shangqiu, Henan). He served as a local lacquer garden official in the Song Dynasty.
Zhuangzi (83 years old) - Su Shi (64 years old) = age difference (19 years old).