Geoff Lawton and Bill Mollison teach a PDC in September, 2012.
http://permaculture.org.au/coursedetail.php?page_id=195&scheduleid=356&classname=Permaculture%20Design%20Certificate%20course%20with%20Bill%20Mollison%20and%20Geoff%20Lawton%20%28Trinity%20College,%20Melbourne%20University%29
He's dead Jim. Grab his tricorder. I'll get his wallet and this tiny ad:
Large Lot for Sale Inside an Established Permaculture Community — Bejuco, Costa Rica
