Florence Nightingale OM, RRC was a celebrated English nurse, writer and statistician. She came to prominence for her pioneering work in nursing during the Crimean War, where she tended to wounded soldiers. Wikipedia
Defined Nursing: “The act of utilizing the environment of the patient to assist him in his recovery.”
Focuses on changing and manipulating the environment in order to put the patient in the best possible conditions for nature to act.
Identified 5 environmental factors: fresh air, pure water, efficient drainage, cleanliness/sanitation and light/direct sunlight.
Considered a clean, well-ventilated, quiet environment essential for recovery.
Deficiencies in these 5 factors produce illness or lack of health, but with a nurturing environment, the body could repair itself.
Developed the described the first theory of nursing. Notes on Nursing: What It Is What It Is Not. She focused on changing and manipulating the environment in order to put the patient in the best possible conditions for nature to act.
Nursing Theories and Nursing Practice by 
