Autogyro By Juan De La Cierva

Two days ago, marked the 115 anniversary of the birth of a great Murcian inventor: Juan de la Cierva, inventor of the gyroplane or autogyro in 1920, a forerunner of the helicopter.
If you want to know more about that inventor: here.
In the picture, a sculpture in Murcia, dedicated to the inventor.
Below, Google Doodle on this anniversary.