Found the article in a 60's Ideal Home magazine. The house is in the Hexagon Estate in Highgate, London . The wife of the mathematician - the sculptor Rita, has decorated their newly built home with sophistication.
Architechts Chamberlin, Powell and Bon, who designed the estate also did the Barbican Centre, a wonderful Brutalist example in the heart of London. There are residential flats in the estate: Looks like a great place to live too! Albeit a little more expensive..
Found somebody's little collection of carefully mounted postcards of erotic art. These would look great collaged on the wall between my other prints. There is a sixth one somewhere.