Edward Montagu, 1st Earl of Sandwich, KG, FRS (27 July 1625 – 28 May 1672) was an English Infantry officer who later became a naval officer and a politician who sat in the House of Commons at various times between 1645 and 1660. He served Oliver Cromwell loyally in the 1650s, but went on to play a considerable part in the Restoration of Charles II, and was rewarded with several Court offices. He served as the English Ambassador to Portugal 1661-1662, and Ambassador to Spain 1666-1668. He became an Admiral, serving in the two Anglo-Dutch Wars in the reign of Charles II, and was killed at the Battle of Solebay. Our best picture of him is contained in the diary of Samuel Pepys, who was his cousin and protégé.