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
Buddhism in the West the popular Vietnamese Buddhist teacher and peace activist Thích Nhất Hạnh founded the Plum Village Monastery in Dordogne, France which, along with his hundreds of publications, has helped spread interest in Engaged Buddhism and Vietnamese Thiền (Zen). The sixties counterculture had already established an interest in Tibetan Buddhism, through Timothy Leary's publication of an adaptation of the so-called Tibetan Book of the Dead under the title The Psychedelic Experience. Since the 1970s, interest in Tibetan Buddhism also grew dramatically, especially due to the arrival of Tibetan lamas in the West after the Chinese occupation of Tibet and the creation of