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With her legendary spirit and unstoppable serve, tennis legend Serena Williams has become one of the world’s most enduring athletic superstars. Gayle King is a co-host of "CBS This Morning” and Editor-at-Large of the award-winning O, the Oprah Magazine.

Surgeon by day and public health journalist by night, Atul Gawande explores how doctors can dramatically improve their practice using something as simple as a checklist.

Anna Rosling Rônnlund's personal mission: to make it easy for anyone to understand the world visually.

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Pope Francis was elected in March 2013, becoming the first Pope from the Americas and from the Southern hemisphere. He was born in 1936 in Buenos Aires, Argentina, as Jorge Mario Bergoglio, in a family of Italian immigrants. A Jesuit, he was Archbishop of Buenos Aires and then a Cardinal leading the Argentinian church. A very popular figure who has taken it upon himself to reform the Catholic Church, Pope Francis’s worldview is solidly anchored in humility, simplicity, mercy, social justice, attention to the poor and the dispossessed.

Jon Boogz is a movement artist, choreographer, and director who seeks to push the evolution of what dance can be. A viral video star known for his gravity-defying, elegant street dance moves, Lil Buck is a fertile collaborator across disciplines and media.

Satellite archaeologist + TED Prize winner

A billion people around the world lack access to health care because they live too far from a clinic. Through Last Mile Health, 2017 TED Prize winner Raj Panjabi aims to extend health services to all -- by training members of the community.