Polynesia of the plant in the Cook Islands have been radiocarbon-dated to 1000, and current thinking is that it was brought to central Polynesia c. 700 and spread across Polynesia from there, possibly by Polynesians who had traveled to South America and back. Thor Heyerdahl proposed in the mid-20th century that the Polynesians had migrated from the northwest coast of Canada by large whale-hunting dugouts, and from South America on balsa-log boats. Many anthropologists have criticised Heyerdahl's theory, including Wade Davis in his book "The Wayfinders". Davis says that Heyerdahl "ignored the overwhelming body of linguistic, ethnographic, and ethnobotanical evidence, augmented
Erik Hesselberg to Larvik. He was married several times and had three children: daughter Anne Karin Hesselberg (b. 1946), son Caelou Hesselberg (b. 1958), and daughter Susanna Hesselberg (b. 1967). Hesselberg died in Larvik at age 58 of a heart condition and was buried there. He left many photographic pictures, graphic works, sculptures, and more than 200 songs for guitar. Erik Hesselberg Erik Bryn Hesselberg (4 June 1914 – 15 September 1972) was a Norwegian sailor, author, photographer, painter and sculptor. He is most known as a crewmember of the Kon-Tiki raft expedition from South America to French Polynesia in 1947. Erik