"Prof Hawking campaigned for the UK to remain in the EU, warning Brexit would be a "disaster" for science funding.
After the referendum, he said he was "sad about the result", in an article for the Guardian, warning against the "envy and isolationism" he said had driven it and arguing for a fairer sharing of wealth "both within nations and across national borders".
He was able to joke about it a few months later, at the Pride of Britain awards, when Theresa May presented him with a lifetime achievement award, describing him as "a man who has quite simply changed the way we look at the world".
"Thank you prime minister for those very kind words," he said, through his voice synthesiser.
"I deal with tough mathematical questions every day, but please don't ask me to help with Brexit." It brought the house down."