Sergey Fyodorovich Platonov was a Russian historian who led the official St Petersburg school of imperial historiography before and after the Russian Revolution.
Sergey Sergeevich Popov is a Russian musician, guitarist and songwriter of Russian heavy metal band Aria. Before joining the Aria, he was the guitarist of the heavy metal band Master.
Sergey Mikhaylovich Prokudin-Gorsky was a Russian chemist and photographer. He is best known for his pioneering work in color photography and his effort to document early 20th-century Russia.
Sergey Nikolayevich Ryazansky is a Russian cosmonaut. He was selected as commander of the IMBP-6 cosmonaut group in 2003, but later transferred to the TsPK Cosmonaut Group. Ryazansky made his first spaceflight aboard the Soyuz TMA-10M/Expedition 37/Expedition 38 mission from September 2013 until March 2014. In 2017, Ryazansky returned to space was the commander of Soyuz MS-05, and served as Flight Engineer for Expedition 52 / 53.
Sergey Vyacheslavovich Savelyev is a Russian doctor of biological Sciences, Professor. Sergey Savelyev's statements and books have been repeatedly criticized by experts for a large number of factual errors and incorrect conclusions.
