The first gay marriage will be conducted this Easter, and those who still object to the idea find themselves in a minority. The majority, according to polls, can’t see what all the fuss is about.

How far we have travelled in a relatively short period of time. Until 1967, the punishment for homosexuality was a year in prison, or chemical castration, which was the option taken by Alan Turing, the Bletchley Park codebreaker.