 Complete the following phrase:  Admiral of the Blue Edward Boscawen, PC 19 August 171110 January 1761 was a British Admiral in the Royal Navy and Member of Parliament for the borough of Truro, Cornwall. He is known principally for his various naval commands during the 18th century and the engagements that he won, including the siege of Louisburg in 1758 and Battle of Lagos in 1759. He is also remembered as the officer who signed the warrant authorising the execution of Admiral John Byng in 1757, for failing to engage the enemy at the 