The Voynich manuscript has long been shorthand for the unsolved and the unknowable, a late medieval codex filled with looping ...
A new theory argues the famous Voynich Manuscript, often referred to as “the most mysterious book in the world,” may have ...
In 1854, Sir Charles Wheatstone invented the cipher known as "Playfair," named for his friend Lyon Playfair, first Baron Playfair of St. Andrews, who popularized and promoted the cipher. Its ...