Thich Nhat Hanh, a renowned Vietnamese Zen master, peace activist, and author, has passed away at the age of 95. He was a pioneer of engaged Buddhism and popularized mindfulness around the world. Thich Nhat Hanh founded several monasteries and practice centers, and his teachings have had a significant impact on the development of Buddhism in the West. He will be remembered for his emphasis on dependent origination, or interbeing, and his commitment to social justice and peace.