Kaj Birket-Smith (20 January 1893 – 28 October 1977) was a Danish philologist and anthropologist. He specialized in studying the habits and language of the Inuit and Eyak. He was a member of Knud Rasmussen's 1921 Thule expedition. In 1940, he became director of the Ethnographic Department of the National Museum of Denmark.
Kaj Birket-Smith could speak with different cultures.
We don't know how well he was able to communicate with the different cultures he studied so that would make the answer neither correct or incorrect.
( z1 possible :ARG1 ( z2 speak :ARG0 ( z3 person :name ( z4 name :op "Kaj" :op "Birket-Smith" ) ) :ARG2 ( z5 culture :ARG1-of ( z6 differ ) ) ) )