Alfredo Quinones-Hinojosa was a migrant farmworker when he first came to the United States. Now he's a neurosurgeon and professor at Johns Hopkins University, and a researcher looking for a breakthrough in the treatment of brain cancer. Read/listen to Alfredo's story on National Public Radio.
Harold Fernandez was 13 years old when he arrived in Florida by boat. He eventually made his way to Princeton, and is now a cardiac surgeon at St. Francis Hospital in Roslyn, N.Y. Read about Harold's story in the New York Times.
When Carlo Alban was 14, he became a regular on "Sesame Street." His character had his same name, Carlo, and eventually got a job at Mr. Hooper's store. Carlo appeared on "Sesame Street" for five years. But the whole time, he had a secret: he was an undocumented immigrant. The papers he'd used to get hired were fake. Read more about Carlo's story on Fox News Latino.