Alexei Navalny, the most prominent Russian opposition leader to Russian President Vladimir Putin, collapsed and died on Friday at the age of 47. Summary Alexei Navalny, the most prominent Russian opposition leader to Russian President Vladimir Putin, collapsed and died on Friday at the age of 47. Navalny died at “Polar Wolf”, the Arctic prison where he had been sentenced to a thirty-year prison term. Navalny was the leading foe of Putin’s dictatorial regime, and his death robs pro-democracy Russians …