From Wikipedia, the free encyclopedia Lothar-Günther Buchheim was a German author and painter. He is best known for his novel Das Boot (1973), which became an international bestseller and was adapted in 1981 as an Oscar-nominated film. Buchheim was born in Weimar, in the Grand Duchy of Saxe-Weimar-Eisenach (present-day Thuringia), the second son of artist Charlotte Buchheim. She was unmarried, and he was raised by his mother and her parents.... see more