https://www.themoscowtimes.com/2021/08/09/human-rights-activist-sergei-kovalev-dead-at-91-a74728
Human Rights Activist Sergei Kovalev, Dead at 91 - The Moscow Times
May 8, 2026 - Sergei Kovalev, one of the most significant political and human rights figures of the Soviet Union and Russia, died Monday.
human rights activistsergei kovalevat 91