Australian Code BreakersThe extraordinary story of a headmaster turned cryptographer, and our top secret war with the Kaiser's Reich. On 11 August 1914, just days after war had been declared, Australian Captain J. T. Richardson boarded a German merchant vessel fleeing Melbourne's Port Phillip and audaciously seized a top secret naval codebook. The fledgling Australian Navy had an opportunity to immediately change the course of the war. But what exactly had they found? Enter
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