So have some more pictures:
The three of us on the 37th Floor of the Sky Garden at 20 Fenchurch Street, London. 2016-02-21
Here is a another picture taken at the same time in which I exhibit a seriously smug face.
Also, here are Grant and Richard at the Ada Lovelace exhibit in the Science Museum, London, 2016-02-17. They are looking at Babbage's Difference Engine, Number 1.