There’s a lot more to Dan Brown’s novel and Hollywood’s take on Angels and Demons. Tom Hanks character shares the same name (not accidentally) with Ambigrammer and type artist John Langdon. Drexel University’s professor in the College of Media Arts and Design is a self taught artist and logo designer, and happened to pique Dan Brown’s interest with his first publication on Ambigrams (Wordplay) in 1980.
I have Wordplay, and was fascinated with the creation of them. Here is an example from Mr. Langdon’s website:

Anna and Barry
Although I am not a fan of Dan Brown’s books nor the movies, I enjoy the visual treats of these Ambigrams. Here is another I found awhile back:

Princessbride
John Langdon’s Website is here
