The brilliant mind of Hollywood legend Hedy Lamarr

The actress Hedy Lamarr captivated audiences during the 1930s and 1940s in films like "Algiers" and "Ziegfeld Girl," and became known as an iconic beauty. "Bombshell: The Hedy Lamarr Story," a new documentary, showcases her overlooked achievements in technology, including her work on an invention that helped form the basis for Wi-Fi. NewsHour Weekend's Megan Thompson spoke to Alexandra Dean, director of the film, which airs May 18 on American Masters.