It is actually Harvey's 777 formula the one used by Fred and Ed in his site. At the time of the article I was helping Ted develop a Glycin/PPD developer and this is the reason he got involved in this article, but he seems to have disappear.
Originally Posted by Tom Hoskinson
If I remember correctly Fred De Van mentioned in a photo.net thread that he had worked with someone who had developed or figured out the Defender formula, but I could be wrong, it has been a couple of years since then. From what I remember 777 did have glycin as an active ingredient, of course Dupont never released the formula, so it is anybodies guess whether the Bluegrass formula is really the original 777 or just another formulation much like Harvey's 777.