Roger Day is a civil servant who has worked for the Ministry of Defence, the Foreign Office, NATO and the Cabinet Office. This study was begun during a sabbatical Fellowship at Harvard University. Roger lives in Hampshire with his wife and daughter

Sir John Moore organized and trained the British light infantry during the Napoleonic wars, and thus is regarded as the father of all subseqent British special warfare units. This biography is the first to draw on papers in the archives of the Dukes of Hamilton and Argyll which shed new light on Moore's upbringing and the shaping of his revolutionary approach to the art and science of warfare.