Career
He was briefly a Reform Party Member of Parliament. A son of Sir Thomas Mackenzie, who was High Commissioner in London and was previously a Liberal politician (and Prime Minister in 1912), he enlisted in the Army in World War I. He was blinded at Gallipoli. He was active in organisations for the blind.
He was attached to the United Nations and was Chairman of the World Braille Council.
Later that year he was awarded the King George V Silver Jubilee Meda Mackenzie died in Auckland in 1966, and his ashes were buried in the Dunedin Northern Cemetery.