Each year TIME magazine recognizes "the people who inspire us, entertain us, challenge us and change our world." We congratulate these Aspen Ideas speakers who were named to this year's TIME 100 list of most influential people in the world:

Salman Khan, founder of the Khan Academy.

Pete Cashmore, founder and CEO of Mashable.

Hillary Clinton, secretary of state, joined us at the 2005 festival as senator of New York. She spoke about the Democratic Party's agenda.

Walter Isaacson, CEO of the Aspen Institute, which in partnership with The Atlantic, produces the Aspen Ideas Festival. He is recognized for his biography Steve Jobs as well as previous biographies of Albert Einstein and Benjamin Franklin. AIF speaker and former Secretary of State Madeleine Albright explaining why he's worthy of such an honor here.

Check out these videos of their appearances at Aspen Ideas:

Sal Khan: Game Changer in Education

Cashmore on social media's impact on journalism

Isaacson discusses Einstein's creativity

For more videos from each of these speakers, visit their speaker pages.