On the 22nd July, at the Józef Piłsudski Institute, there was an excellent presentation by Jerry McCarthy, who explained how the perforated cardboard sheets invented by the Polish code-breaker Henryk Zygalski had been used to find the starting-settings of the Enigma machine. A super occasion, because it was attended by members of Zygalski’s family – he alone of the Polish code-breakers settled in Britain after the war. Later in the year, to commemorate the 40th anniversary of his death, a special memorial to Zygalski will be unveiled at Chichester – an opportunity for an entertaining character whose intellectual stature deserved proper recognition in his lifetime to become better known. See more about the Piłsudski event here.

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