Alexander Mackenzie was a British abstract artist, member of the St Ives School and educator. Mackenzie was born on 9 April 1923 in Liverpool and died in Penzance on 18 September 2002. He painted mainly in Cornwall, also making regular visits to Cumbria. He was married to Coralie Crockett, and the couple had three daughters
He had a brother named Paul Mackenzie who had three daughters Alison, Alexandra and Elli Mackenzie. Alexandra has a son named Ben Mackenzie and Elli has a son named Felix and a daughter named Charlie.