For those interested in physics
about Professor of Physics at the University of MIT:walter lewin
the greatest doctor studying physics, from my point of view, it makes physics fun and easiest
He is the owner of the famous saying:"teachers who make physics boring are criminals"
馃憠8.01 Physics I: Classical Mechanics, Fall 1999 (Complete Lectures by Walter Lewin) : http://www.youtube.com/playlist?list=PLUdYlQf0_sSsb2tNcA3gtgOt8LGH6tJbr
