She is better known as an actress, making her American debut in Lady in the Tropics.  
In 1933 she married arms manufacturer Fritz Mandl, and she would later use her observations of his work to develop her own design for "frequency hopping" technology, now used in cellular phones.  She is better known as an actress, making her American debut in Lady in the Tropics.  Later films included Algiers, White Cargo, and The Female Animal, though she turned down the leads in Gaslight and Casablanca during the same period.  Born Hedwig Kiesler, FTP, name this actress who might be best remembered for a nude scene in 1932's Ecstasy and her lead role in Cecil DeMille's Samson and Delilah.
In 1933 she married arms manufacturer Fritz Mandl, and she would later use her observations of his work to develop her own design for "frequency hopping" technology, now used in cellular phones.  
Hedy Lamarr (accept early Hedwig Kiesler)