(beware Sherlock spoilers, Americans.)
"Steven wrote one of my favourite TV shows, which is Doctor Who.
"Peter and I felt whoever did Doctor Who would have a good sensibility for Tintin. And it so happens Steven had read Tintin since he was eight.
"Even when he had to leave the Tintin project to get on with making Dr Who, I got two other Brits — Shaun of the Dead’s Edgar Wright and Attack The Block’s Joe Cornish — to finish the job.
"They’re two great British writers."