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X-WR-CALDESC:1 April 1930: Frank Rowlett reports to work for William Friedm
 an. Rowlett was inducted into the NSA/CSS Cryptologic Hall of Honor in 199
 9 - read the full entry about his career and accomplishments via the link 
 at the end of the page.\n\nRowlett & Friedman both appear in this circa 19
 35 photo with other members of the U.S. Army's Signals Intelligence Servic
 e - the first SIS cryptanalysts. The initial four were William Friedman\, 
 Frank Rowlett\, Abraham Sinkov\, and Solomon Kullback. The original member
 s of SIS were a unique quartet\, men who ought to be national heroes. Thei
 r love was as much for the process as the result\, the cryptanalysis as th
 e intelligence derived from it\, but what they did\, the breakthroughs aga
 inst the high-level code and cipher systems of our principal enemies\, sur
 ely shortened the period of war by many months and resulted in the saving 
 of thousands of American and British lives.\n\nRowlett & his colleagues so
 lved the Japanese RED system and Rowlett played a significant role in solv
 ing the more sophisticated PURPLE. Rowlett & Friedman went on to help desi
 gn the SIGABA machine with the U.S. Navy. Because of his importance in the
  protection of American communications\, the NSA's Information Assurance o
 rganization has named its highest award the Frank Byron Rowlett Award.
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DTSTAMP:20260424T045559Z
DESCRIPTION:1 April 1930: Frank Rowlett reports to work for William Friedma
 n. Rowlett was inducted into the NSA/CSS Cryptologic Hall of Honor in 1999
  - read the full entry about his career and accomplishments via the link a
 t the end of the page.\n\nRowlett & Friedman both appear in this circa 193
 5 photo with other members of the U.S. Army's Signals Intelligence Service
  - the first SIS cryptanalysts. The initial four were William Friedman\, F
 rank Rowlett\, Abraham Sinkov\, and Solomon Kullback. The original members
  of SIS were a unique quartet\, men who ought to be national heroes. Their
  love was as much for the process as the result\, the cryptanalysis as the
  intelligence derived from it\, but what they did\, the breakthroughs agai
 nst the high-level code and cipher systems of our principal enemies\, sure
 ly shortened the period of war by many months and resulted in the saving o
 f thousands of American and British lives.\n\nRowlett & his colleagues sol
 ved the Japanese RED system and Rowlett played a significant role in solvi
 ng the more sophisticated PURPLE. Rowlett & Friedman went on to help desig
 n the SIGABA machine with the U.S. Navy. Because of his importance in the 
 protection of American communications\, the NSA's Information Assurance or
 ganization has named its highest award the Frank Byron Rowlett Award.
DTSTART;TZID=America/New_York:20260401T060000
DTEND;TZID=America/New_York:20260401T060001
LOCATION:
SUMMARY:1930: Frank Rowlett Goes to Work for William Friedman
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