One of the world's leading theoretical physics professors, Prof Michio Kaku from the City University of New York, refers to Hubbert's peak, in a brief think on BigThink.
http://www.youtube.com/watch?v=FvsFWUo2 ... ure=relmfu
Not sure this was posted before. But as an authority argument it counts.
And also to say hi to my old friends of the PO community. Hi friends! Long time no see!