Epiphany

Paul McCartney awoke with his song “Yesterday” fully formed in his head. It was so familiar that he was sure that he had heard it before. He tried it out on various people over the next few weeks. When no one else claimed it, he decided it was his.

Fred Hoyle was crossing the road. When he reached the other side he knew that he had had a revelation. He wasn't sure what it was, but he was confident enough …