Watch Free Online on Hurawatch. Professor Singer can be assessed as an enlightenment: he was also an educator, even (or above all) when he made politics. A major character in the intellectual life of São Paulo in the last seventy years, he narrates his trajectory, from his arrival in Brazil in 1940, escaping the Second World War, in 2016, in the leadership of solidarity economy movements. The film tries to show the beauty of a man thinking.