Frida Kahlo

 was a Mexican painter and the wife of Diego Rivera. In 1941, she helped the Eighth Doctor's companion Izzy after her mind was swapped with that of Destrii, a fish-like humanoid alien and witnessed the attempted invasion of the Torajenn. (COMIC: The Way of All Flesh)

The Tenth Doctor said he visited her and her husband a couple of times after "that incident in 1941." (COMIC: Revolutions of Terror)