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

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.