tv

[pataken]

Who was a writer on blackadder

[souldriver]

Richard Curtis

[Metz]

Ben Elton

[souldriver]

Rowan Atkinson also wrote on some of the scripts. See here

[cole13uk]

Richard Curtis & Ben Elton primarily

[KebabMeister]

I think Rowan Atkinson & Richard Curtis wrote The Black Adder, whereas Black Adder II onwards was Richard Curtis and Ben Elton iirc.