Oh the humanity - has it come to this?

List obtained from Wikipedia of all writers of two or more stories.

http://en.wikipedia.org/wiki/List_of_Doctor_Who_writers

Usual rules apply - to stop this getting too serious and geeky, sudden death from 1st Oct. So it doesn't outstay it's welcome.

Robert Holmes 5
Russell T. Davies 5
Terry Nation 5
Bob Baker 5
David Whitaker 5
Malcolm Hulke 5
Dave Martin 5
Terrance Dicks 5
Kit Pedler 5
Brian Hayles 5
Dennis Spooner 5
David Fisher 5
Eric Saward 5
John Lucarotti 5
Louis Marks 5
Gerry Davis 5
Barry Letts 5
Robert Sloman 5
Pip and Jane Baker 5
Ian Stuart Black 5
Mervyn Haisman 5
Henry Lincoln 5
Robert Banks Stewart 5
Chris Boucher 5
Douglas Adams 5
Johnny Byrne 5
Christopher H. Bidmead 5
Terence Dudley 5
Peter Grimwade 5
Steven Moffat 5
Donald Cotton 5
Donald Tosh 5
Derrick Sherwin 5
Don Houghton 5
Graham Williams 5
Anthony Read 5
Stephen Gallagher 5
Christopher Bailey 5
Philip Martin 5
Stephen Wyatt 5
Ian Briggs 5
Ben Aaronowitch 5
Mark Gatiss 5
Paul Cornell 5