Planned and built the conservation village of Eaglesham, Scotland in 1769. The Earl introduced the young James Boswell to the joys of London society in the early 1760s, and figures prominently in Boswells London Journal 1762-63.
The Earl was shot on his own estate near Ardrossan by excise officer Mungo Campbell on October 24, 1769 following a dispute about the latters right to bear arms on the Earls grounds. He died from his wounds on the next day. Campbell was convicted of murder but died by his own hand before the sentence could be carried out.