Earlier this year in July, one of Australia’s enduring mysteries – the Somerton Man – was solved. It was the story of a man’s body discovered in 1948, lying on a beach in Adelaide. This took place during the hysteria of the Cold War, with the peculiar details of the case sparking decades of elaborate conspiracies involving spies and foreign governments.

The Somerton Man had been poisoned, the name tags were cut out of his clothes except for one that read ‘T Keane’, his suitcase was found abandoned at a local station, and there was a scrap of paper inside his clothes torn...