Edith Stein, OCD was a German Jewish philosopher who converted to Catholicism and became a Discalced Carmelite nun. She is canonized as a martyr and saint of the Catholic Church; she is also one of six patron saints of Europe.
She was born into an observant Jewish family, but had become an agnostic by her teenage years. Moved by the tragedies of World War I, in 1915, she took lessons to become a nursing assistant and worked in an infectious diseases hospital. After completing her doctoral thesis at the University of Freiburg in 1916, she obtained an assistantship there to Edmund Husserl.
Wikipedia https://en.wikipedia.org/wiki/Edith_Stein
Address 89 Dürener Straße, Köln 50931, Germany
Coordinates 50°55'56.842" N 6°55'15.691" E