![Juan de la Cierva holds his Oscar in the retirement home where he now lives.](https://imagenes.elpais.com/resizer/v2/INJXM4NTR5GDUEOU35W4WUXLRQ.jpg?auth=73518f779a84560287da865e65590a8413bb75ddc92d6bf2c573b5512f845704&width=414&height=233&smart=true)
“The Spanish royal palace even had microphones in the bathrooms”
Inventor Juan de la Cierva designed the king’s security system and won Spain its first Oscar
Inventor Juan de la Cierva designed the king’s security system and won Spain its first Oscar