Arthur C. Clarke & Bradbury used to have a healthy rivalry in Sci-Fi. At the end of his novel 'Imperial Earth', Arthur told the following anecdote, told to him by Bradbury, about a phenomenon in the Sci-Fi writing community subsequently known as 'Bradbury's defence': A boy walked up to Bradbury at a Sci-Fi convention asking:
Boy: "You know that book of yours, 'The Martian Chronicles'?"
Boy: "You know, on p.93, where you have both moons on Mars rising in the East?"
Bradbury: "So I hit him!"
So I wouldn't believe Bradbury about absolutely everything