Civil servants aren't supposed to be famous. They're supposed to be the hidden machine that keeps the country's wheels turning, no matter what. They're supposed to carry out the workings of government without prejudice, and without shouting about it - the spotlight, after all, should be on the elected representatives in parliament, not the workers in whitehall.
But one civil servant has become a household name in recent weeks: Sue Gray. Even if you don't know who she is, you'll likely have heard her name in passing on the evening news and thought, "Who is Sue Gray?"
Luckily, we're here to answer that exact question.