text:  As you say, 71 years old. He's an absolute veteran rights campaigner. Memorial is the name of the group that he headed for two decades. And the clue to that is in the name. It was set up to memorialize and remember the victims of rights repression in Russia, including during the long communist era. But he had also become a more general critic of Vladimir Putin's Russia, criticizing, for instance, the situation in the Northern Caucasus, Chechnya, etc.,