By the 18th century nursing was in the shadow of medicine. After being in the 18th century came to a sudden boom and the development of medicine, there is a need for improvement of nursing, but only as support staff doctor. To the right of development of nursing, there was only a century later thanks to the first theorists of health care, Florence Nightingale. It is after the remarkable career of a nurse in the Crimean War opened the first school for nurses. After Florence Nightingale, the scene entered and other theorists such as health care Ernestine Wiedenbach, Virginia Henderson, Nancy Roper, Dorothy E. Orem and others that have significantly improved the sisterhood. They clearly define the job of a nurse, have clearly moved away from the job doctor work nurses, and laid the foundations of nursing as an independent profession. Since the sisterhood relatively young profession that is being developed on a daily basis in order to be in step with medicine, will continue to develop new theories of health care, the old will be improved, but only the most efficient and easiest to apply to be held.