The phrase "original scribe" refers to the person who originally wrote or recorded something. They are the first person to document or write down a particular piece of information. Full definition
Pitch Perfect 3 is written by original scribe Kay Cannon and Mike White (School of Rock). (paulstriptothemovies.com)
The third - act climax, which underwent such a massive rehaul by Damon Lindelof and Drew Goddard that it earned them both screenwriting credits alongside original scribes Michael Matthew Carnahan and J. Michael Straczynski, is also really enjoyable. (blog.bullz-eye.com)
Also back for the sequel are stunt men turned directors Chad Stahelski and David Leitch, as well as original scribe Derek Kolstad. (thehollywoodnews.com)