Mechtilde of Hackeborn, OSB, also known as Mechtilde of Helfta, was a Saxon Benedictine nun known for her musical talents and spiritual revelations. At the age of 50, Mechtilde went through a grave spiritual crisis, as well as physical suffering. In the modern Benedictine calendar, her feast is celebrated on the anniversary of her death, November 19. She died in the convent of Helfta, near Eisleben.