Probably my family in terms of kids I've got, my mum and dad, the whole network of family. I'm really close with my aunties, uncles, nans, grandads, trying to spend as much time together as possible, so I'd say that's one thing I'm really proud of, that I have a loving family.

I don’t know. I know the ones that are the greatest triumphs, like the Dumbarton Oaks Museum in Washington D.C. that I worked on with the owners. It was a real collaboration and there was no budget, no money involved. It was just, “If we like that better, we’ll do it that way.” So I had total freedom and it was a simple project to build a little museum, and the owner and I worked together and it was pure delight from beginning to end and it came out very well.

I’m proud any time that I see a toxic chemical process, something that produces toxic waste or requires precious metals, which have to be mined at terrible environmental degradation costs — I’m proud when I see that replaced with a clean, efficient biological process that doesn’t produce those things. And we have to do that a million times over in order to move away from our addiction to this old-fashioned chemistry that we do.

When I think of the fate of poor old women, so many of whom have no one to look after them and nothing to live on at the end of their lives, I am glad to have had a hand in all that structure of pensions and insurance which no other country can rival and which is especially a help to them.