Dave Stone (in-universe)

	Human
	Writer
	Big Finish Productions
	Earth
	Many Happy Returns
	PROSE: Oh No, Not Again
	Sophie Aldred

You may be looking for the real world writer.

Dave Stone was a writer who suggested the premise behind the events that occurred at the Museum. (AUDIO: Many Happy Returns)

Behind the scenes

The real Dave Stone was one of the writers involved with Many Happy Returns itself.