[TUHS] Questions about the history of cut(1)

[random832 at fastmail.us]

On Mon, May 18, 2015, at 06:36, Doug McIlroy wrote:
> I believe cut/paste originated in PWB Unix, but I can't recall who
> wrote it.

Who or what is the GWRL referenced in the comments?

/* cut : cut and paste columns of a table (projection of a relation) 
(GWRL) */
/* paste: concatenate corresponding lines of each file in parallel.
Release 1.4 (GWRL) */