Alexei Gusev was an activist during the 1990-1991 democratic upsurge. Now Prof. of History at the University of Moscow (specialist on ideas of the Communist oppositions in Stalin’s Gulag), he is Chair of the Praxis Research and Education Center, home of the Victor Serge Library and center for anti-totalitarian, internationalist socialists, anarchists, ecologists, and human rights activists in Moscow since 1997. He is a historian of left opposition movements and ideas in the USSR.