Whether or not Henry Sinclair Horne was the 'silent' General he might certainly, if he were still alive, lay claim to being the 'forgotten' General of the Western Front. His self-effacement in a profession not renowned for shrinking violets undoubtedly made its contribution to his relative anonymity - he wrote no memoirs nor kept anything more than sketchy diaries - but it is still surprising that such an important contributor to the defeat of the German army in the Great War has not until now received the attentions of a biographer. After a customary slow start in the late Victorian army,...