Nursing is the protection, promotion, and optimization of health and abilities, prevention of illness and injury, alleviation of suffering through the diagnosis and treatment of human response, and advocacy in the care of individuals, families, communities, and populations (other). Dorothy E. Johnson was a nursing theorist, who was born August 21, 1919, in Savanna, Georgia. She has had an influence on her nursing through her publications since the 1950's. Throughout her career, Johnson has stressed the importance of research-based knowledge about the effect of nursing care on clients. This led to The Johnson Behavioral System Model, in which she came up with in 1980. Nursing theories are used to describe, develop, disseminate, and use present knowledge in nursing. Johnson was an early fan of nursing as a science as well as an art. From the beginning, Johnson proposed that the knowledge of the science of nursing was necessary for effective nursing care. In 1961, Johnson proposed that nursing care facilitated the client's maintenance of a state of equilibrium.…