Hildegarde Peplau {Ans: expanded role of psych nurse- outlined the scope of practice, interpersonal relations in nursing- first systematic theoretical framework for psych nursing}Virginia Henderson {Ans: the patient is an individual who requires help to reach independence}Florence Nightingale {Ans: Established sanitary nursing care units. Founder of modern nursing. began professional education of nursing.}Betty Neuman {Ans: Systems Model the nature of living organisms and their interactions}Myra Levine {Ans: Conservation Model; person can adapt to health challenges with small effort}Dorothy Johnson {Ans: Behavioral System Model}