[yieldcrv]

Not familiar with him, but if we remove the curiosity about “first”, there could be paleolithic eastern migration and explorers too

[NikkiA]

https://en.wikipedia.org/wiki/Kon-Tiki_expedition

There's a very good movie documentary about it, which won an oscar.

https://en.wikipedia.org/wiki/Kon-Tiki_(1950_film)

Also, the following regarding his later Papyrus boat expedition:

https://en.wikipedia.org/wiki/Ra_(1972_film)