Buddhism Zen Buddhism is divided into two main schools: Rinzai (臨済宗) and Sōtō (曹洞宗), the former greatly favouring the use in meditation on the koan (公案, a meditative riddle or puzzle) as a device for spiritual break-through, and the latter (while certainly employing koans) focusing more on "shikantaza" or "just sitting". Zen Buddhism is primarily found in Japan, with some presence in South Korea and Vietnam. The scholars of Japanese Soto Zen tradition in recent times have critiqued the mainstream Japanese Buddhism for "dhatu-vada", that is assuming things have substantiality, a view they assert to be non-Buddhist and "out of tune
Zen in the United States "Chán"), Korean Zen (or "Seon"), and Vietnamese Zen (or "Thien"). The first Chinese Buddhist monk to teach Westerners in America was Hsuan Hua, a disciple of the 20th-century Chan master, Hsu Yun. In 1962, Hsuan Hua moved to San Francisco's Chinatown, where, in addition to Zen, he taught Chinese Pure Land, Tiantai, Vinaya, and Vajrayana Buddhism. Initially, his students were mostly ethnic Chinese, but he eventually attracted a range of followers. In 1970, Hsuan Hua founded Gold Mountain Monastery in San Francisco and in 1976 he established a retreat center, the City Of Ten Thousand Buddhas, on a 237-acre (959,000