Greg Mortenson has been promoting peace by building schools and purging ignorance in Pakistan and Afghanistan for more than a decade.

"If you fight terrorism, that's based in fear. But if you promote peace, that's based in hope," Mortenson said. "And the real enemy I think is ignorance. It's ignorance that breeds hatred."

(Read full story at ABCNews.com)

His Pennies for Peace raises money from American schoolkids by collecting pennies to build his schools. His best-selling book is Three Cups of Tea: One Man's Mission to Fight Terrorism and Build Nations One School at a Time.

Full story is at the above link – from which all the above intro text was copied.