Thor Heyerdahl KStJ was a Norwegian adventurer and ethnographer with a background in biology with specialization in zoology, botany and geography.

Ethnography is a branch of anthropology and the systematic study of individual cultures. Ethnography explores cultural phenomena from the point of view of the subject of the study. Ethnography is also a type of social research that involves examining the behavior of the participants in a given social situation and understanding the group members' own interpretation of such behavior.