TheCodeBreakers
He promptly
undertook the task.
Ewing was then 59, a short, thickset Scot with blue eyes beneath
shaggy eyebrows, a quiet voice, and the manner of a benign physician.
He had been knighted three years before for his contributions to science,
which included pioneering studies of Japanese earthquakes, of
magnetism, and of mechanical lagging effects in stressed materials (now
known by a word he coined, "hysteresis"), and for his public services,
notably his naval education directorship. He was to become president of
the British Association for the Advancement of Science and perhaps his
country's greatest living expert on mechanical science. And now he was
about to found a cryptanalytic bureau that was to become almost
legendary and to exert a direct and noticeable effect upon the course of
history.
He began by boning up on ciphers in the stacks of the British
Museum library and on the construction of codes at Lloyd's of London
annaabi.ee 
