I'm British and I never knew that those yellow-ball-on-black-and-white-pole-by-pedestrian-crossing things had a name. TIL
Forgotten otherwise, but responsible for introducing speed limits and the driving test.
(Before looking him up I had no idea there was a brief 'fuck it no speed limit' period in the 30s, until obviously a number of people were killed)
“Bobby” and (in Northern Ireland) “peeler” as slang terms for a policeman are two more examples of things named after a politician.