Hi there. I came across this a while back when I was looking at all kinds of different soil remediators.
http://www.biozome.com/
It's a mixture of different microbes in the archaea domain, originally assembled to fight oilspills and the like:
But they do wonders in the garden as well, I have been using it for a while and saw definite improvements.
The interesting thing is I can't really find any info on Oppenheimer on wikipedia and few other places as well. Even though this was quite the innovation.
I came across his CV though, which is impressive to say the least:
http://www.obio.com/docs/cv.pdf