Hedy Lamarr

Women have made some of the most important scientific discoveries of all time. In this title, readers learn about Hedy Lamarr from her early career as a Hollywood actress to her invention of a frequency-hopping mechanism that is now used in cell phones and GPS technology. A timeline, sidebars, fun facts, glossary, and index supplement the text. Aligned to Common Core Standards and correlated to state standards. Checkerboard Library is an imprint of Abdo Publishing, a division of ABDO.