Allweddair Code Breaking
A Beautiful Mind 2001
风声 2009
解密 2024
The Secret Code 1942
Cipher Bureau 1938
Shakespeare's Hidden Codes 2009
Norwegian organist and amateur cryptographer Petter Amundsen talks about his theories on the authorship of William Shakespeare, and how he came to discover a myriads of codes in his historical works – and his ideas of what the codes refers to.