You Need to Know: Dolores Huerta

Representing dozens of diverse countries and cultures, discover five Hispanic people who shaped the history of the United States.

Learn how teacher-turned-astronaut Joseph Acaba prepared to moonwalk.

Mario Molina, a Mexican chemist, made a groundbreaking discovery that would lead to healing the hole in the ozone.

Years before Brown v. Board of Ed, the Mendezes fought their own battle against legalized school segregation.