Hiram Bingham III

Hiram Bingham III was an explorer.

Background
The archaeologist exam at the Pioneer Scout camp has a question that directly references Bingham. It asks "Hiram Bingham III was an American explorer. He went to South America looking for ruins, and wound up finding them! Which famous ruin did he reveal to the outside world?" Machu Picchu is the correct answer to the question.

Appearances
Hiram Bingham III is mentioned only $$