Cipher Mysteries

For a while, I've had an itch (a Voyn-itch, if you prefer) I couldn't work out how to scratch. You see... about six years ago, I found an old history book digitized on archive.org (if I remember correctly): it related how Francesco Sforza assembled an ongoing ad hoc council of representatives of various city-states surrounding Milan, told them all the inside news of ...

Once upon a time, when I was trying to research the cryptographic history of Sforza Milan 1450-1500, it became painfully obvious that I had to build up a proper understanding of Francesco Sforza's chancellor Cicco Simonetta: more than just a 'gatekeeper' or even a 'lynchpin', Simonetta was the very lintel above the door, the central architectural feature silently and powerfully ...