Richard Dawkins

Richard Dawkins was a British scientist. In 2009, when Earth was taken to the Medusa Cascade by the Daleks, Dawkins appeared on television to discuss the phenomenon. He pointed out that, as could be seen from the new constellations visible, the Earth had indeed travelled. (TV: The Stolen Earth)

Alternate Timeline
In 1996, he was possibly the leader of a cult which still believed in stars. Aunt Sharon worried about Amy Pond joining it, saying that she didn't trust him. (TV: The Big Bang)

Behind the scenes

 * Richard Dawkins is married to former Doctor Who cast member Lalla Ward. They were introduced by Douglas Adams, a mutual friend, who was a Doctor Who writer and script editor.