Gertrude, called "the Great," † 17 Nov. 1301; born in Thuringia; Benedictine mystic of the famous Benedictine abbey of Helfta in Saxony; wrote on the meaning of suffering, the Sacred Heart, the Trinity, and God's love; most important work: Legatus Memorialis Abundantiæ Divinæ Pietatis (The Herald of Divine Love).