codebreakers, cryptographers, ciphers, cryptograms, mathematicians, codebreaking, cryptanalysis, cryptanalyst, cryptography, vannevar bush, codebreaker, ultrasecret, scob, alan turing, leo szilard, computerese, physicists, solvers, sleuth, carl friedrich gauss, hackers, forgers, typescripts, univac, norbert wiener, cypher, programmers, ciphertext, spelling checker, spies, linguists, historians, heisenberg, boolean logic, proofreaders, scientists, rhetoricians, phototypesetting, boolean algebra, simultaneous equations, deciphering, gumshoes, lithographer, encryption, cruciverbalist, sgml, symbologist, sigint, spellchecker, theorems, mass observation, grammarians, theorists, niels bohr, philologists, lysergic acid diethylamide, typographer, counterintelligence, bacteriologist, cartographer, von neumann, captcha, antiquarians, ugaritic, classicists, ideograms, metaphysicians, dyslexics, supersecret, unscrambling, crypto, experimenters, kim philby, leon battista alberti, forgeries, dirichlet, lise meitner, safecrackers, fritz haber, engravers, jacquard loom, interrogators, savants, signal corps, jean francois champollion, geneticists, syntax, pynchon, naval attache, clockmaker, mapmaker, penman, inspector maigret, symbolics, anagrams, crunchers, feynman, typesetters, leonardo fibonacci, fabulist, melvil dewey, anthologist, airmen, aviators, bakeries, choreographers, climbers, demographers, diplomats, economists, filmmakers, journalists, off1cers, officers, pianists, pilots, snipers, violinists, academics, accountants, aces