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is a Berlin-based animator, artist, and book author. His live drawings have been displayed at the New York City Marathon (while he was running it), the Olympic Games in London, and more. His pieces have also been installed at the Museum of Modern Art in New York City, New York Time Magazine, Wired, and Google.

Julie Leibach is managing editor of ScienceFriday.com and a former Ì½»¨¾«Ñ¡senior editor. She's based in North Carolina.