The 3rd Duke of Argyll, John Campbell, was born in 1680 and became a prominent Scottish nobleman. He inherited the title in 1703 and played a significant role in the political landscape of Scotland and Britain during the early 18th century. He was known for his support of the Whig party and his involvement in the Union of 1707, which unified the parliaments of England and Scotland. As a military leader, the 3rd Duke served in various campaigns, including the War of the Spanish Succession. He was also a patron of the arts and sciences, contributing to the cultural development of his time. His legacy includes the enhancement of the Argyll estate and the promotion of Scottish interests in the British Parliament.