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Kryptos is an encrypted sculpture in the middle of CIA Headquarters in Langley, Virginia. Comprised of large copper sheets engraved with thousands of characters, it carries a series of ciphers. Three of the four have been solved, but the fourth section, 97 characters at the very bottom, remains uncracked. It is one of the most famous unsolved codes in the world, even referred to in Dan Brown’s “Da Vinci Code”-sequel “The Lost Symbol”. St. Louis cryptographer Elonka Dunin (namesake for the "Nola Kaye" character in Brown’s novel), and one of the few people from outside the CIA to have seen the sculpture in person, will review the sculpture’s history, going over the parts that have been solved, and discussing efforts to crack the famous unsolved section, K4.
David Geary is the author of Core HTML5 Canvas to be published by Prentice-Hall in April, 2012. David is a prolific, passionate, and entertaining public speaker. He has spoken at hundreds of conferences worldwide, including JavaOne, StrangeLoop, The Server-side Symposium, Devoxx, and JAOO. David was a regular speaker for six years on the No Fluff Just Stuff tour, averaging five 90-minute sessions at more than 120 conferences. David is a three-time JavaOne Rock Star. David has written eight Java books, four of which are best-sellers in their respective categories, including one of the best-selling technical book series of all time: Graphic Java.