Answer: Magalhaes was a 16th-century Portuguese sailor, one of the crucial people who helped to discover the true nature of the world. I suppose he was a sort of revolutionnary who questioned an old dogma about plane Earth and believed that the Earth is round.
Explanation: Magalhaes reached West Indies, discovered Philipines, travelled all around the world. He was not a theorist like Copernicus, but experienced that the Earth is round.
