Reception of J. R. R. Tolkien at Oxford, Oxonmoot. The Mythopoeic Society held its first Mythcon conference in 1970, which featured readings, a costume competition, an art show, and other events typical of science fiction conventions of the day. The works of Tolkien have served as the inspiration to many painters, musicians, film-makers and writers, to such an extent that Tolkien is sometimes seen as the "father" of the high fantasy genre. The production of such derivative works is sometimes of doubtful legality, because Tolkien's published works will remain copyrighted until 2043. The film, stage and merchandise rights of "The Hobbit" and "The Lord of the
J. R. R. Tolkien in a letter to his son Christopher: Tolkien was horrified by the 1945 atomic bombings of Hiroshima and Nagasaki, referring to the scientists of the Manhattan Project as "these lunatic physicists" and "Babel-builders". During most of his own life conservationism was not yet on the political agenda, and Tolkien himself did not directly express conservationist views—except in some private letters, in which he tells about his fondness for forests and sadness at tree-felling. In later years, a number of authors of biographies or literary analyses of Tolkien conclude that during his writing of "The Lord of the Rings", Tolkien gained