Marlborough's Shadow: The Life of the First Earl Cadogan

Several writers have remarked that Marlborough could have never achieved his great military success during the War of the Spanish Succession without the support, industry and ingenuity of his Chief of Staff, Quartermaster General and Chief of Intelligence, General William Cadogan, who became the 1st Earl of Cadogan, and who, in 1722, succeeded Marlborough as Commander-in Chief of the British Army. Apart from the other considerations Marlborough, then in his 50's, was relatively frail and p...