Short answers, pulled from the story.
Fabian Gottlieb von Bellingshausen entered the world on the 20th of July 1778 on the island of Saaremaa. This Baltic region belonged to the Russian Empire at that time, though his family roots traced back to Lübeck in Germany.
Emperor Alexander I authorized an expedition to the south polar region in 1819, selecting Fabian Gottlieb von Bellingshausen to lead it. He commanded the sloop Vostok while Mikhail Lazarev captained the support vessel Mirny.
The ships under the command of Fabian Gottlieb von Bellingshausen sighted land near coordinates 69º21'28"S 2º14'50"W on the 27th of January 1820. This event marked the discovery of Antarctica during their voyage.
Fabian Gottlieb von Bellingshausen assumed duties as military governor of Kronstadt in 1839 and held this administrative post until his death in 1852. He oversaw operations and personnel for over a decade during this period.
Fabian Gottlieb von Bellingshausen published a book titled Double Investigation of the Southern Polar Ocean and the Voyage Around World in 1831. This work detailed his Antarctic travels and included maps created during the expedition.