TheCodeBreakers
20-G and, by adding improvements of his own to Edward Hebern's rotor
mechanisms, gradually developed cipher machines suitable for the
Navy's requirements of speed, reliability, and security. His contributions
to cryptanalytics were minor, since his talents lay more in the
administrative and mechanical fields. But he is the father of the Navy's
present cryptologic organization.
11. Secrecy for Sale
ON A MORNING in December of 1917, a rather handsome young man of 27
hurried through the colonaded lobby of the American Telephone &
Telegraph Company at 195 Broadway in downtown Manhattan. He rode
the elevator up to the 17th floor, where he worked in the telegraph
section of the company's development and research department. This
section, composed of some of the brightest engineers in the company,
was concentrating on the newest development in telegraphy, the printing
telegraph or teletypewriter.
Gilbert S. Vernam was—if things were as usual—a little late that
morning
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