“After a serious illness on the night of August 20, 2019 in Moscow, Academician Sergei Alexandrovich Fedotov died on his 89th birthday,” the institute said.

He was director of the Institute of Volcanology, Far Eastern Scientific Center, Academy of Sciences of the USSR - Institute of Volcanology, Far Eastern Branch of the Russian Academy of Sciences for 33 years.

Earlier it was reported that Yuri Simonov, professor at Moscow State University, doctor of geographical sciences and creator of the school of geomorphology, died in his 97th year of life.