In 1942, with a black-market chicken tucked under his arm by his mother, Leo Marks left his father's famous bookshop, 84 Charing Cross Road, and went off to fight the war. He was twenty-two. Soon recognized as a cryptographer of genius, he became head of communications at the Sp…
"In 1942, with a black-market chicken tucked under his arm by his mother, Leo Marks left his father's famous bookshop, 84 Charing Cross Road, and went off to fight the war. He was twenty-two. Soon recognized as a cryptographer of genius, he became head of communications at the S…
La gloire d'Alan Turing commence vers la fin du XXe siècle, bien longtemps après sa mort. Il aura donc fallu attendre l'informatisation du monde, la divulgation de ses activités de décryptage durant la Seconde Guerre mondiale et la levée des tabous sur l'homosexualité, pour que …
Code breakers: riveting reads for curious kids
by Adams, Simon, Chrisp, Peter
fromMega bites
Venture into the world of codes and ciphers! Codes have been used for thousands of years as a way of hiding important secrets and sending mysterious messages. They are the best way of sending messages covertly and keeping information safe from enemies or nosy siblings! Learn abo…
"Venture into the world of codes and ciphers! Codes have been used for thousands of years as a way of hiding important secrets and sending mysterious messages. They are the best way of sending messages covertly and keeping information safe from enemies or nosy siblings! Learn ab…
Codes have been used for thousands of years as a way of hiding important secrets and sending mysterious messages. They are the best way of sending messages covertly and keeping information safe from enemies or nosy siblings! Learn about the fiendishly clever codes and ciphers th…
The Making of the Man -- The Making of the Soldier -- Genevieve Young -- The Making of the Expert -- To France -- Chief Signal Officer -- Jack-of-All-Trades -- Commerce -- Retreat -- Return to Service -- The Old Soldier -- Legacy. ""Success in dealing with unknown ciphers is me…
""Success in dealing with unknown ciphers is measured by these four things in the order named: perseverance, careful methods of analysis, intuition, luck." So begins the first chapter of Colonel Parker Hitt's 1916 Manual for the Solution of Military Ciphers, a foundational text …