The World's Greatest Unsolved Ciphers, part 1 - Prof Craig Bauer - YouTube

https://www.youtube.com/watch?v=qe0JhEajfj8

Speaker: Prof. Craig Bauer (York College, PA) Title: The World's Greatest Unsolved Ciphers Date: Wednesday, 24-Apr-2013 This is part 1. Abstract: Ciphers tha...