Ernestine Wiedenbach was a nursing leader. She was born on August 18, 1900 in Hamburg, Germany. She moved to New York, United States in 1909. She graduated with a degree in nursing from the Johns Hopkins School of Nursing in 1925 and a certified nurse midwife from the Maternity Center Association School of Nurse-Midwives in New York in 1946. She began her career as a maternity nursing instructor at Yale. faculty in 1952. In 1954 and 1956, he worked as an assistant professor of obstetric nursing and an associate professor, respectively (Sante, 2011). In the general perception of people, nursing is a profession that concerns the care of sick people. According to Florence Nightingale (Alligood, 2013) nursing must be responsible for the health condition of others. Nursing theorist Wiedenbach made nursing easier to understand by defining terms frequently used in nursing practice such as nurse, patient, nursing skill, knowledge, need for help, judgment, nursing skill, and person. Weidenbach gave a definition of a patient as an individual, sick or healthy, who seeks any suggestion, treatment or education related to health (Sante, 2011). This shows that everyone is in some way a patient because if a person asks for advice on being healthy, diets to reduce cholesterol, he is also a patient in Wiedenbach's definition of a patient. Another important term used frequently in nursing is nurse. The nurse is a person who feels and thinks about the patient in addition to work (Sante, 2011). Nursing theory helps managers, leaders, nurses, and other healthcare teams understand nursing and its contributions to healthcare. Nursing theory helps guide and solve problems in clinical practice. Additionally, nursing theory is critical to educators, academics... focus of article......uis, Missouri: Mosby.Cragin, L. (2004). The theoretical foundations for nursing-midwifery practice in the United States: A critical analysis of three theories. Retrieved from http://www.sciencedirect.com.ezproxy.uta.edu/science/article/pii/S1526952304002156Definition of Nursing. (2010). Retrieved from http://www.icn.ch/about-icn/icn-definition-of-nursing/Howell, J. (2012). The changing role of nurses. H&HN: Hospitals and Health Networks, 86(3), 36-49. Idczak, S. (2007). I'm a Nurse: Nursing students learn the art and science of nursing. Perspectives on Nursing Education, 28(2), 66-71. Sante, M. (2011). Ernestine Weidenbach the art of helping. Retrieved from http://prezi.com/ts6gpefzbd-x/ernestine-weidenbach/Vandemark, L. (2006). Self-awareness and expansion of consciousness: Using nursing theories to prepare nurse-therapists. Issues in mental health nursing, 27(6), 605-615.