Who is the most important individual in the history of nursing?

Florence Nightingale is often considered the most important individual in the history of nursing. She founded modern nursing practices and established sanitation and hygiene standards during the Crimean War, significantly reducing mortality rates. Nightingale's emphasis on evidence-based care and her establishment of nursing education laid the groundwork for the profession, earning her the title "The Lady with the Lamp" for her dedication to patient care. Her legacy continues to influence nursing and healthcare worldwide.