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.
