Vietnamese Zen master Thich Nhat Hanh, center, arrives for a great chanting ceremony at Vinh Nghiem Pagoda in Ho Chi Minh City, Vietnam on March 16, 2007. Zen Buddhist monk Thich Nhat Hanh, who helped pioneer the concept of mindfulness in the West and socially engaged Buddhism in the East, has died at age 95 on Saturday, Jan. 22, 2022, according to an announcement on his verified Twitter page. (AP Photo, File)