TED Fellow Olga Yurkova is a journalist and cofounder of StopFake.org, an independent Ukrainian organization that trains an international cohort of fact-checkers in an effort to curb propaganda and misinformation in the media.
John Hodgman is a writer, humorist, geek celebrity, former professional literary agent and expert on all world knowledge. He was the bumbling PC in Apple's long-running "I'm a Mac; I'm a PC" ad campaign.
As the CEO of Public Radio International, Alisa Miller works to bring the most significant news stories to millions -- empowering Americans with the knowledge to make choices in an interconnected world.
Detective of fads and emerging subcultures, chronicler of jobs-you-never-knew-existed, Malcolm Gladwell's work is toppling the popular understanding of bias, crime, food, marketing, race, consumers and intelligence.
Mary Lou Jepsen pushes the edges of what's possible in optics and physics, to make new types of devices, leading teams and working with huge factories that can ship vast volumes of these strange, new things.
Kristen Ashburn's photographs bring us face-to-face with real people in desperate circumstances. Taking us to the intimate spaces of her subjects -- the victims of war, disaster, epidemic -- she elicits the sublime sadness and resolve of human beings in suffering.
As a journalist reporting on China, Sheryl WuDunn saw the everyday oppression of women around the world. She and Nick Kristof wrote "Half the Sky," chronicling women's stories of horror and, especially, hope.