Pre-Columbian rafts voyaged as far as Mexico and introduced metallurgy to the civilizations of that country. Some scholars and adventurers of the 20th and 21st century have asserted that the rafts and their crews journeyed thousands of miles across the Pacific to Polynesia, most notably Thor Heyerdahl who reached Polynesia on the Kon-Tiki raft. Several other people and groups have also built rafts based on prehistoric models and undertaken trans-Pacific voyages. Balsa is the Spanish word for raft. The use of rafts for commerce on the coasts of Peru and Ecuador, from northern Chile to southern Colombia, continued until the late 19th
Erik Hesselberg 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 Hesselberg was born at Brevik in Telemark, Norway. He grew up at Larvik in Vestfold. He knew Thor Heyerdahl from his childhood years. Having graduated from his secondary school, Erik Hesselberg went on to a sailors' school and later worked as a professional sailor for five years, making several trips around the world. Later Hesselberg studied art in