Dōgen

Dōgen Zenji, was a Japanese Zen Buddhist monk, writer, poet, philosopher, and founder of the Sōtō school of Zen in Japan. He is also known as Dōgen Kigen, Eihei Dōgen, Kōso Jōyō Daishi, and Busshō Dentō Kokushi.
Originally ordained as a monk in the Tendai School in Kyoto, he was ultimately dissatisfied with its teaching and traveled to China to seek out what he believed to be a more authentic Buddhism. He remained there for four years, finally training under Tiāntóng Rújìng, an eminent teacher of the Cáodòng lineage of Chinese Chan. Upon his return to Japan, he began promoting the practice of zazen through literary works such as Fukanzazengi and Bendōwa.
He eventually broke relations completely with the powerful Tendai School, and, after several years of likely friction between himself and the establishment, left Kyoto for the mountainous countryside where he founded the monastery Eihei-ji, which remains the head temple of the Sōtō school today.
Dōgen is known for his extensive writings like the Shōbōgenzō, the Eihei Kōroku, the Eihei Shingi, along with his Japanese poetry, and commentaries.