His voyage was the first to circumnavigate the world? He named and explored the coast of Virginia?
First to try to “go East by sailing West”?
He proved that what Columbus found was a “New World”?

FERDINAND MAGELLAN (1480–1521) was a Portuguese explorer who is credited with masterminding the first expedition to circumnavigate the world.

JOHN SMITH named and explored the coast of Virginia

CHRISTOPHER COLUMBUS try to “go East by sailing West

LEIF ERICSON proved that what Columbus found was a “New World”

those are my answers

1 > george s. boutwell

2 > general ulysses s. grant

3 > james a. garfeild

4 > adolph e. borie