For most of the late 1930s and ’40s, Hedy Lamarr was just your average world-famous actress who appeared in countless films alongside the likes of Charles Boyer, Spencer Tracy, and Clark Gable — and also invented a critically important military technology in her spare time.
She had a room in her house that was dedicated to tinkering, inventing, and just figuring out whatever she wanted!
Unbeknownst to many who saw her on screen, Lamarr was a passionate inventor — and, as an Austrian immigrant, an ardent Nazi despiser. Working with composer George Antheil, Lamarr discovered an ingenious method of preventing enemy ships from jamming American torpedoes by making radio signals jump between frequencies, rather than stay on a single channel.
As a foreigner, a non-member of the military, and a woman, Lamarr’s invention went largely ignored until the 1960s, when some dude scientists unearthed it and put it to use during the Cuban Missile Crisis (and…
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