The correct answer is - Ferdinand Magellan.
Ferdinand Magellan is remembered as the explorer that finally, with a proof, managed to prove that the Earth is round and not flat, with ended the debate about that issue. He was the first explorer that organized an expedition around the globe, and the expedition managed to circumnavigate the globe, thus was successful.
Unfortunately, most of the crew, and the ships that sailed, did not returned, but only small amount of the sailors and one ship. Magellan was between the ones that did not made it back home, as he got killed in a battle in Asia, in the Philippine Islands.
