Konon Molody the Soviet spy swapped for Greville Wynne in April 1964 was better known as Gordon Lonsdale, and headed the "Portland Spy Ring"
The swap took place at 05.20am in the middle of Heerstrasse border crossing which is 5kms. to RAF Gatow on the Western side.
Wynne was then flown by an RAF Varsity to RAF Northolt.
Wynne eventually settled in Palma Mallorca with his second wife.