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It is often said, something has come full circle, even when it has not. In the case of Robert Hannigan, Warden of Oxford's Wadham College and former head of GCHQ, this could not be more apposite. A Classics student at Wadham in the mid-1980s, he returned to college nearly 40 years later as Warden.
From Wadham to GCHQ and back
Robert Hannigan on cyber crime, spying and the AI tsunami coming our way