12/20/2012 07:18 pm ET

Greatest Persons 2012: A Look Back (PHOTOS)

Every week, Huffington has profiled a person who has made a difference in his or her community, from the 10-year old Cub Scout who started a charity to the single dad who traveled around the world volunteering with his family. Now, we look back at some of the greatest people we knew this year.

Greatest Persons of the Year

This story appears in the year-end photo issue of our weekly iPad magazine, Huffington, in the iTunes App store, available Friday, Dec. 28.