IGS Discussion Forums: Learning GS Topics: "Thinging" Question
Author: Ralph E. Kenyon, Jr. (diogenes) Monday, September 12, 2005 - 10:52 pm Link to this messageView profile or send e-mail

Bob Pula can be cited directly.
http://learn-gs.org/learningctr/rp-uncert.htm

I believe I heard him say it as early as 1974 at seminars.

If Bruce has another source perhaps it can be posted here.