This PhD dissertation is a biographical study of the life and political career of the second earl of Salisbury (1591-1668). It examines his early life and the preparation for the aristocratic role he would be expected to play. It looks at the early influences he experienced in his highly politicised home and also from Pembroke, Raleigh, Harrington, Buckingham, as well as in the courts of King James and Prince Henry. The second and third chapters discuss how he dealt with the deaths of his father and Prince Henry, which came at a crucial point in his life. He had to finish the first earl's building programme and settle the debts that had been incurred by him. These chapters also look at the care he gave his family and staff; the rationalisat...