Alistair Stuart MacLean (Scottish Gaelic:Alasdair MacGill-Eain; 21 April 1922 – 2 February 1987) was a Scottish novelist who wrote popular thrillers and adventure stories. His works include The Guns of Navarone, Ice Station Zebra and Where Eagles Dare – all three were made into popular films. He also wrote two novels under the pseudonym Ian Stuart.