John was my advanced typography professor at Drexel, and as you can see he is very talented. When it comes to ambigrams, he is the world’s foremost authority. His work can be seen in Dan Brown’s Angels and Demons, and he is in fact part of the inspiration for the the story’s protagonist, Robert Langdon. Even the hair made it to the big-screen via Tom Hanks’ questionable quasi-mullet.
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