Chris Kresser, M.S., L.Ac is a globally recognized leader in the fields of ancestral health, Paleo nutrition, and functional and integrative medicine. His website is one of the top 25 natural health sites in the world.
Robb Wolf is a former research biochemist, an author, and one of the world’s leading experts in Paleolithic nutrition (Paleo Diet).
I love this site. It teaches you what paleo is in very simple terms. You'll find videos, recipes, meal plans, a podcast and a very comprehensive paleo food list. And of course, a blog.