Conel Hugh O'Donel Alexander, Date of Birth, Place of Birth, Date of Death


Conel Hugh O'Donel Alexander

British cryptanalyst, chess player, and chess writer

Date of Birth: 19-Apr-1909

Place of Birth: Cork, Munster, Ireland

Date of Death: 15-Feb-1974

Profession: mathematician, journalist, chess player, cryptographer, correspondence chess player

Nationality: Ireland, United Kingdom

Zodiac Sign: Aries

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About Conel Hugh O'Donel Alexander

  • Conel Hugh O'Donel Alexander (19 April 1909 – 15 February 1974), known as Hugh Alexander and C.
  • H.
  • O'D.
  • Alexander as a pen name, was an Irish-born British cryptanalyst, chess player, and chess writer.
  • He worked on the German Enigma machine at Bletchley Park during the Second World War, and was later the head of the cryptanalysis division at GCHQ for 25 years.
  • In chess, he was twice British chess champion and earned the title of International Master.

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