Cedric Chivers
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Cedric Chivers was the friend of Susan Foreman in 1963. He protected her when Mavis attacked her. He had wild ideas about Susan's home. He took her on the tube, which she was amazed about. Rook was his uncle, and spied on Susan at his request. (AUDIO: Hunters of Earth) By 2013, he was teaching at Oxford, and helped to create a time machine. (AUDIO: The Time Machine)