Indo-Iranian languages are the eastern-most group of the living Indo-European languages. They are well represented among the oldest records of Indo-European languages. These originate around modern Afghanistan and early on split as some people went west and some went east.
... Sea to a land called Punt
Sven Hedin[?], (1865-1952), explorer
Bjarni Herjulfsson[?] - Viking discoverer of North America
Thor Heyerdahl, (1914-2002), Norwegian ...