Born in 2003, this Swedish teen activist has become a leading voice for climate change activism.
Greta Thunberg
Her life changed forever when, in retaliation for her activism, she was shot in the head by a gunman on a school bus.
Malala Yousafzai
At the age of 15, US high school student invented what appeared to be a new, cheap way to detect pancreatic cancer.
Jack Andraka