Located in Idyllwild, a resort town 5,000ft above Palm Springs, the home was designed by architect John Lautner for her parents, Dr Carl Kenneth and Agnes Branch Pearlman, as a holiday retreat.

John Lautner was the great architectural dramatist of his age ... ‘When we embarked on this project, we did a lot of homework,’ adds McIlwee, ‘and we looked at a lot of architects.’ Los Angeles-based ...