Step 1 : Introduction to the question "Which actress is responsible for the technology behind Wi-Fi and GPS?"
...Famous for her roles in films such as “Algiers” and “Samson and Delilah,” Hedy Lamarr also had a passion for inventing. In 1941 she filed a patent for frequency-hopping technology that would be the precursor for wireless communications technology such as Wi-Fi, GPS, and Bluetooth.