Discover Hedy Lamarr’s contributions as a woman in STEM in this media gallery from the American Masters film Bombshell: The Hedy Lamarr Story. Learn how Lamarr invented frequency hopping, the basis of secure wireless communications. In the accompanying teaching tips, find more information about her struggle to be recognized for her inventive contributions. Lamarr’s efforts can inspire students to delve deeper into the history of women in STEM. Additional support materials are available, including discussion questions and an activity exploring frequency and electromagnetic radiation.