David Peterson is an American language creator, writer, and artist, who has constructed languages for television and movies such as Thor: The Dark World and Doctor Strange and the Dothraki and Valyrian languages for the television series Game of Thrones. David even helped Duolingo implement the popular High Valyrian language course.

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Recorded in September 2020 at Duocon, Duolingo's celebration of language learning. For more, visit: http://duolingo.com/duocon