 He is known for his 1960s radical activism and his later work in education reform, curriculum and instruction.In 1969, Ayers co-founded the Weather Underground, a self-described communist revolutionary group that sought to overthrow imperialism.The Weather Underground conducted a campaign of bombing public buildings (including police stations, the United States Capitol, and the Pentagon) during the 1960s and 1970s in response to U.S. involvement in the Vietnam War.