The Birdman of Rwanda

Olivier Nsengimana, Conservationist, Rwanda

The Master of the Keys

Joey Alexander, Jazz Pianist, Indonesia

The Journalist Drawing the World

Molly Crabapple, Artist-Journalist, U.S.

The Planet’s Plaintiff

Xiuhtezcatl Martinez, Environmentalist, U.S.

The Skater Turned Architect

Janne Saario, Landscape Architect, Finland

The Mixmaster of Fashion

Apichet “Madaew’” Atirattana, Fashion Designer / Thailand

The Online Conquistador

Rubén "El Rubius" Doblas Gundersen, YouTube star, Spain

The Voice of a Different Generation

Heloise Letissier, Singer, France

The Truthteller in the Eye of the Storm

Lotfullah Najafizada, News Director, Afghanistan

The Editor of Life’s Building Blocks

Feng Zhang, Biomedical Engineer, China

The Olympic Gymnast Who Overcame a Drug-Addicted Mother

Simone Biles, athlete, U.S.

How Talent—and a Little Luck—Got Saoirse Ronan to Hollywood

Saoirse Ronan, actress, Ireland

Building a Phone That Can Understand Almost Any Language

Umesh Sachdev, software engineer, India

A Teenaged Playwright Grows Up

Polly Stenham, playwright, Britain

He Goes Where No One Has Gone Before

Francesco Sauro, geologist, Italy

She Found Out That Water Is the First Key to Development

Saran Kaba Jones, water activist, Liberia

The Clown Prince of Migrants

Firas Alshater, refugee activist, Germany

Fighting for Environmental Justice on the Streets of Baltimore

Destiny Watford, environmental justice activist, U.S.

She’s the New Face of the Fashion World

Irene Kim, model, South Korea

This 15-Year-Old Girl Could Be the Best Rock Climber Ever

Ashima Shiraishi, rock climber, U.S.

Challenges Are Just Part of Making It to the Top

How to Be a Good Leader and Change the World

America’s Great Gymnasts on What Separates Simone Biles From Others