I read Pat Gainers articles on phenidon/ascobate developers and tried to mix my own simple one shot developer.
Creating a useful and reliable developer is a very complex endeavor requiring among other thinks a good knowledge of photochemistry. It is not just dumping a bunch of chemicals into water. A point that I agued with PG over and over again. I doubt he ever really got the point of the argument. Check the current thread "Progress on XTOL-concentrate." to see just how difficult the problem is. The thread is now at 48 pages and still very active.
A rock pile ceases to be a rock pile the moment a single man contemplates it, bearing within him the image of a cathedral.