Kon-Tiki expedition dockyard facilities provided by the Peruvian authorities, they constructed the raft out of balsa logs and other native materials in an indigenous style as recorded in illustrations by Spanish conquistadores. The trip began on April 28, 1947. Heyerdahl and five companions sailed the raft for 101 days over 6,900 km (4,300 miles) across the Pacific Ocean before smashing into a reef at Raroia in the Tuamotus on August 7, 1947. The crew made successful landfall and all returned safely. Thor Heyerdahl's book about his experience became a bestseller. It was published in Norwegian in 1948 as "The Kon-Tiki Expedition: By
Erik Hesselberg Hamburg, Germany. He stayed in Germany when World War II began, so he could not return to Norway and started working as a decorator in Braunschweig. In 1945, he and his German-born wife, Liselotte (Liss) Güldner, relocated to Lillehammer, Norway. In 1947, Hesselberg lived in the village of Borre and worked as a painter. Thor Heyerdahl approached him and invited to become a navigator on the Kon-Tiki expedition. During the trip, he worked as an astronavigator and cartographer as he was the only professional sailor. He painted the large Kon-Tiki figure on the raft's main sail. Also, he drew sketches,