J. R. R. Tolkien villain, Gilles de Retz. Incidents in both "The Hobbit" and "The Lord of the Rings" are similar in narrative and style to the novel, and its overall style and imagery have been suggested as an influence on Tolkien. Tolkien was inspired by early Germanic, especially Old English, literature, poetry, and mythology, which were his chosen and much-loved areas of expertise. These sources of inspiration included Old English literature such as "Beowulf", Norse sagas such as the "Volsunga saga" and the "Hervarar saga", the "Poetic Edda", the "Prose Edda", the "Nibelungenlied", and numerous other culturally related works. Despite the similarities of
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