John Legend is on a mission to transform America's criminal justice system. Through his Free America campaign, he's encouraging rehabilitation and healing in our prisons, jails and detention centers -- and giving hope to those who want to create a better life after serving their time. With a spoken-word prelude from James Cavitt, an inmate at Sa...

The legendary fashion designer — who created the wrap dress and remains an icon in the industry (she's also President of the Council of Fashion Designers of America) — picks the 5 TED talks that have inspired her most.

In this rare clip from 1972, legendary psychiatrist and Holocaust-survivor Viktor Frankl delivers a powerful message about the human search for meaning -- and the most important gift we can give others.

The legendary chimpanzee researcher Jane Goodall talks about TACARE and her other community projects, which help people in booming African towns live side-by-side with threatened animals.

"The world needs you, badly," says legendary biologist E.O. Wilson in his letter to a young scientist. He gives advice collected from a lifetime of experience -- and reminds us that wonder and creativity are the center of the scientific life.

In this passionate talk, legendary spacecraft designer Burt Rutan lambasts the US government-funded space program for stagnating and asks entrepreneurs to pick up where NASA has left off.

At Serious Play 2008, Charles Elachi shares stories from NASA's legendary Jet Propulsion Lab -- including tales and video from the Mars Rover project.

Nathaniel Kahn shares clips from his documentary "My Architect," about his quest to understand his father, the legendary architect Louis Kahn. It's a film with meaning to anyone who seeks to understand the relationship between art and love.

Legendary scientist David Deutsch puts theoretical physics on the back burner to discuss a more urgent matter: the survival of our species. The first step toward solving global warming, he says, is to admit that we have a problem.

Legendary ocean researcher Sylvia Earle shares astonishing images of the ocean -- and shocking stats about its rapid decline -- as she makes her TED Prize wish: that we will join her in protecting the vital blue heart of the planet.

Legendary sculptor Antony Gormley riffs on space and the human form. His works explore the interior space we feel within our own bodies -- and the exterior space we feel around us, knowing that we are just dots in space and time.

From the TED archives: The legendary graphic designer Milton Glaser dives deep into a new painting inspired by Piero della Francesca. From here, he muses on what makes a convincing poster, by breaking down an idea and making it new.

What's it like to be pals with a genius? Physicist Leonard Susskind spins a few stories about his friendship with the legendary Richard Feynman, discussing his unconventional approach to problems both serious and ... less so.

The legendary design team Charles and Ray Eames made films, houses and classic midcentury modern furniture. Eames Demetrios, their grandson, shows rarely seen films and archival footage in a lively, loving tribute to their creative process.

Legendary jazz musician Herbie Hancock delivers a stunning performance alongside two old friends -- past drummer for the Headhunters, Harvey Mason, and bassist Marcus Miller. Listen to the end to hear them sweeten the classic "Watermelon Man."

Paula Scher looks back at a life in design (she's done album covers, books, the Citibank logo ...) and pinpoints the moment when she started really having fun. Look for gorgeous designs and images from her legendary career.

Speaking at TED in 1998, Rev. Billy Graham marvels at technology's power to improve lives and change the world -- but says the end of evil, suffering and death will come only after the world accepts Christ. A legendary talk from TED's archives.

Is your school or workplace divided between the "creatives" versus the practical people? Yet surely, David Kelley suggests, creativity is not the domain of only a chosen few. Telling stories from his legendary design career and his own life, he offers ways to build the confidence to create. (From The Design Studio session at TED2012, guest-curat...

"Do you know what I mean?" Legendary poet, lyricist and screenwriter Javed Akhtar asks why we seem to be losing our power to use words -- and inspires us to better understand and communicate with one another using this near-magical tool that carries our culture across generations. (In Hindi with English subtitles)

Genuine apology goes beyond remorse, says legendary playwright Eve Ensler. In this frank, wrenching talk, she shares how she transformed her own experience of abuse into wisdom on what wrongdoers can do and say to truly repent -- and offers a four-step roadmap to help begin the process. (This talk contains mature content.)

Legendary skeptic James Randi takes a fatal dose of homeopathic sleeping pills onstage, kicking off a searing 18-minute indictment of irrational beliefs. He throws out a challenge to the world's psychics: Prove what you do is real, and I'll give you a million dollars. (No takers yet.)

Isabella Baumfree was born into slavery in late 18th century New York. Fleeing bondage with her youngest daughter, she renamed herself Sojourner Truth and embarked on a legendary speaking tour. She became known as an electrifying orator and her speeches impacted thousands of people in communities across the United States. Daina Ramey Berry detai...

Legendary duo Jane Fonda and Lily Tomlin have been friends for decades. In a raw, tender and wide-ranging conversation hosted by Pat Mitchell, the three discuss longevity, feminism, the differences between male and female friendship, what it means to live well and women's role in future of our planet. "I don't even know what I would do without m...

Legendary dance choreographer Bill T. Jones and TED Fellows Joshua Roman and Somi didn't know exactly what was going to happen when they took the stage at TED2015. They just knew they wanted to offer the audience an opportunity to witness creative collaboration in action. The result: An improvised piece they call "The Red Circle and the Blue Cur...

It starts with a sketch. Then it evolves into a larger-than-life visual masterpiece, a celebration of human connection. Follow along as legendary artist and designer Es Devlin takes us on a visual tour of her work -- including iconic stage sculptures she's created for Beyoncé, Adele, Kanye West, U2 and more -- and previews her design for the upc...

Legendary primatologist Jane Goodall says that humanity's survival depends on conservation of the natural world. In conversation with head of TED Chris Anderson, she tells the story of her formative days working with chimpanzees, how she transformed from a revered naturalist into a dedicated activist and how she's empowering communities around t...

Legendary investigative journalist Bob Woodward shares the inside story of President Richard Nixon's downfall, and what was learned from the notorious White House tapes. In his 2016 TEDxMidAtlantic talk, he warns that we are entering a new era of secrecy that harkens back to Nixon's days. We think we are resilient, he says, but if we are infecte...

Legendary hip-hop producer Swizz Beatz is on a mission to revolutionize the way artists do business. In this glorious talk, he shares some of the ways he's helping fellow creatives thrive, including a roving art fair that gives artists 100 percent of their sales, a new commission system for galleries to fund living visual artists and Verzuz, onl...

As Alice wanders through the dreamscape of Looking-Glass Land in Lewis Carroll's "Through the Looking-Glass, and What Alice Found There," she happens across a book written in an unintelligible language. Inside, she discovers an epic poem filled with nonsense, fearsome creatures, and whimsical language. Dive into Carroll's legendary poem, "Jabber...

The voices of these speakers are sure to gently pull you in with their warm delivery.