Yes. He was a Viking explorer.
Leif Ericson.
Lief Ericson
Leif Ericson.
Leif Ericson, the Viking explorer.
Leif Ericson.
No. He was a Viking explorer.
i think he was a viking
He used a Viking longship.
He was born into a Viking family.
That is the usual Anglicized spelling of "Leif Ericson" (Leif Eiriksson Viking explorer, 970-1020 AD).
Leif Eriksson, some 500 years before Columbus
Leif Ericson.