Grandfather of Social Anarchism, the First Anti-Marxist, Theorist of Collective-Anarchism

: Russian revolutionary anarchist, socialist and founder of collectivist anarchism. He is considered among the most influential figures of anarchism and a major founder of the revolutionary socialist and social anarchist tradition. Bakunin's prestige as a revolutionary also made him one of the most famous ideologues in Europe, gaining substantial influence among radicals throughout Russia and Europe. (From: Wikipedia.org.)

"Revolutionary Catechism," by Mikhail Bakunin.