making the original message unreadable without the decryption key (e.g. Caesar cipher, pigpen cipher).” “Without romanticizing it too much,” Lascaris says, “the journey to this show ...

Dr Simon Singh with the £10,000 cheque for the code challenge winners, which he encrypted in the 'Pig Pen' cipher Dr Singh said: "It seemed natural to me that a book about the history of codes ...