What famous 1940s Hollywood actress and glamour queen invented the frequency-hopping spread-spectrum device which made radio guided torpedoes harder for enemies to detect or jam?

There is no evidence that any famous 1940s Hollywood actress and glamour queen invented the frequency-hopping spread-spectrum device. The true inventor is considered to be Hedy Lamarr, an Austrian-born American film actress, and inventor who lived from 1913 to 2000.