Guarda su Altadefinizione. Throughout his 87 years, the anarchist historian, journalist and writer Osvaldo Bayer was one of the greatest exponents of a sustained commitment to his liberation struggles, illuminating the past so that the present and future are increasingly emancipatory. But, as this documentary by Gustavo Gzain demonstrates, using the past tense is difficult to describe the peaceful battles of Bayer, who is still an active defender of human rights.