Krista Tippett hosts the national public radio program "On Being," which takes up the great, animating questions of human life: What does it mean to be human? And how do we want to live?

Kaustav Dey leads marketing for Tommy Hilfiger in India.

The Vicar of St David's Church, Exeter, in the UK, is unafraid to take on some of religion's tougher issues.

Nina Jablonski is author of Skin: A Natural History, a close look at human skin’s many remarkable traits: its colors, its sweatiness, the fact that we decorate it.

Kio Stark explores the myriad ways encounters with strangers impact our lives.

Sanford Biggers creates art that upends traditional narratives about topics ranging from hip hop to Buddhism to American history.

Photographer Rick Guidotti sees a rich beauty in our genetic diversity and works to expose that vision to everyone.

Rahul Mehrotra is an architect working in India who focuses on institutional buildings and conservation of historic places. He is also a professor at the Graduate School of Design at Harvard University.

Elizabeth Stordeur Pryor writes, teaches and engages questions on race and racism in the US.

Dwinita Mosby Tyler specializes in the development and delivery of leadership, equity, diversity, cultural responsiveness and inclusion training programs and strategies.

Frederic Kaplan seeks to digitize vast archives of historical information to make maps that move -- through time.

Anand Varma's photos tell the story behind the science on everything from primate behavior and hummingbird biomechanics to amphibian disease and forest ecology.

Kees Moeliker writes and speaks about natural history, especially birds and remarkable animal behavior, as well as improbable research and science-communication-with-a-laugh.

Tracy Edwards MBE battled against the odds (and the sea) to become the first woman to win the Yachtsman of the Year Trophy.

Eric Dyer is an artist and educator who brings animation into the physical world with his sequential images, sculptures and installations.

Chee Pearlman creates conversations among designers -- think of her as as the host of a worldwide, perpetual salon.

Antonio Damasio's research in neuroscience has shown that emotions play a central role in social cognition and decision-making. His work has had a major influence on current understanding of the neural systems, which underlie memory, language, consciousness.

Rachel Sussman is on a quest to celebrate the resilience of life by identifying and photographing continuous-living organisms that are 2,000 years or older, all around the world.

Craig Richard’s lifelong struggle to quiet the noisy squirrels in his head while falling asleep led to his explorations into the sleepy-bliss sensation of Autonomous Sensory Meridian Response (ASMR).

With a rich voice and an equally rich sense of history, Rhiannon Giddens animates American folk tradition with her electrifying song interpretations.

Former Georgia House Democratic Leader Stacey Abrams made history in 2018 when she earned the Democratic nomination for governor of Georgia.

Art historian and critic Sarah Lewis celebrates creativity and shows how it can lead us through fear and failure to ultimate success.

Thomas Thwaites is a designer "of a more speculative sort," he says.

One of the best known and most renowned scientists in history, Richard Feynman pioneered quantum mechanics. His knack for accessible explanations made him a popularizer of physics of equal distinction to laypeople.

Noreena Hertz looks at global culture -- financial and otherwise -- using an approach that combines traditional economic analysis with foreign policy trends, psychology, behavioural economics, anthropology, history and sociology.

The most successful female British pop musician in history, Annie Lennox has now committed herself to raising awareness of, and supporting actions against, the HIV/AIDS crisis in Africa.

With her legendary spirit and unstoppable serve, tennis legend Serena Williams has become one of the world’s most enduring athletic superstars.

Liz Hajek studies sedimentary rocks to understand how landscapes change and evolve.

Inspired by Nigerian history and tragedies all but forgotten by recent generations of westerners, Chimamanda Ngozi Adichie’s novels and stories are jewels in the crown of diasporan literature.

David Ikard explains why the whitewashing of black history should be a major concern for us all, even self-identified white liberals.