Fabian Gottlieb von Bellingshausen
Faddey Faddeyevich Bellingshausen or Fabian Gottlieb Benjamin von Bellingshausen (20 September [O.S. 9 September] 1778 – 25 January [O.S. 13 January] 1852) was a Russian cartographer, explorer, and naval officer of Baltic German descent, who attained the rank of admiral. He participated in the first Russian circumnavigation of the globe, and subsequently became a leader of another circumnavigation expedition that discovered the continent of Antarctica.
Source: Wikipedia — Fabian Gottlieb von Bellingshausen (CC BY-SA 4.0)