Hedy Lamarr was called the "most beautiful woman in the world" in her day. But what most don't know is that she had the brains to match her beauty, she invented "spread spectrum communications" and "frequency hopping". The U.S. Navy eventually applied this technology to radios used during the Cuban Missile Crisis, and it went on to shape modern technologies such as GPS, Bluetooth in headsets and phones, and U.S. military guided missiles.
Princess Fawzia of Iran.. She was the daughter of King Fuad and sister of King Farouk, and was married to the Shah of Iran. This matching suite of diamonds comprising tiara, earrings and necklace was made for her by Van Cleef and Arpels. Photo source: TRF
"Marie, Queen of Romania...her life story is fascinating" eldest daughter of Prince Alfred, Duke of Edinburgh, and Grand Duchess Maria Alexandrovna of Russia. Her father was the second-eldest son of Queen Victoria and Prince Albert. Her mother was the only surviving daughter of Alexander II of Russia and Maria Alexandrovna of Hesse.
Gwenllian Ferch Gruffydd (1097-1136) Welsh princess and shield-maiden that led an army against Norman-English forces at Kidwelly Castle. She was beheaded as a warning to the other princes of wales. After this, Wales unified and drove out the Norman invaders.