Steven Moffat — Scottish Writer born on November 18, 1961,

Steven William Moffat, OBE is a Scottish television writer and producer, known for his work as showrunner, writer and producer of the British television series Doctor Who and Sherlock... (wikipedia)

Writing for adults often means just increasing the swearing - but find an alternative to swearing and you've probably got a better line.
I don't think, generally speaking, people become writers because they were the really good, really cool, attractive kid in class. I'll be honest. This is our revenge for people who were much better looking and more popular than us. I was a bit like that, I suppose.
Fascinatingly confident, rude people are great.
The difference between a beautifully made failure and a beautifully made hit is who you've got playing the leads.
Brainy's the new sexy.