John Arbuthnot John Arbuthnot John Arbuthnot FRS ("baptised" 29 April 1667 – 27 February 1735), often known simply as Dr Arbuthnot, was a Scottish physician, satirist and polymath in London. He is best remembered for his contributions to mathematics, his membership in the Scriblerus Club (where he inspired both Jonathan Swift's "Gulliver's Travels" book III and Alexander Pope's "Peri Bathous, Or the Art of Sinking in Poetry", "Memoirs of Martin Scriblerus," and possibly "The Dunciad"), and for inventing the figure of John Bull. In his mid-life, Arbuthnot, complaining of the work of Edmund Curll, among others, who commissioned and invented a biography
World War I cryptography World War I cryptography Codes and ciphers were used extensively in World War I. The decoding by British Naval intelligence of the Zimmermann telegram helped bring the United States into the war. Trench codes were used by field armies of most of the combatants (Americans, British, French, German) in World War I. The most commonly used codes were simple substitution codes. More important messages generally used mathematical encryption for extra security, though. The use of these codes required the distribution of codebooks to military personnel, which proved to be a security liability since these books could be stolen by enemy