Saint Gertrude of Helfta was a 13th-century Benedictine nun and mystic from the Helfta Monastery in Germany. She is known for her deep spiritual insights and writings, particularly her work titled "The Herald of Divine Love," which reflects her profound relationship with God and her devotion to the Sacred Heart of Jesus. Gertrude was recognized for her visions and experiences of divine love, which inspired many in her time and continue to influence Christian spirituality today. She was canonized in 1677 and is celebrated as the patron saint of cats and the sick, highlighting her compassion and care for all living beings.