50 Nursing Theorists

1. Foundational Theorists
Florence Nightingale – Environmental Theory: Cleanliness, ventilation, and light improve health.

Hildegard Peplau – Interpersonal Relations Theory: Nurse–patient relationship phases.

Virginia Henderson – Need Theory: 14 basic needs guiding nursing care.

Dorothea Orem – Self-Care Deficit Theory: Nursing helps when patients cannot meet self-care needs.

Sister Callista Roy – Adaptation Model: Patients as adaptive systems responding to stimuli.

Jean Watson – Theory of Human Caring: Caring as the essence of nursing.

Madeleine Leininger – Transcultural Nursing Theory: Cultural competence in care.

Betty Neuman – Systems Model: Patients as open systems interacting with stressors.

Imogene King – Goal Attainment Theory: Nurse–patient collaboration to achieve health goals.

Martha Rogers – Science of Unitary Human Beings: Patients as energy fields interacting with environment.

2. Middle-Range Theorists
Patricia Benner – Novice to Expert Theory: Stages of nursing competence.

Katharine Kolcaba – Comfort Theory: Physical, psychospiritual, sociocultural, environmental comfort.

Nola Pender – Health Promotion Model: Promoting healthy behaviors and lifestyle.

Ida Jean Orlando – Nursing Process Theory: Nurse–patient interaction guides care.

Ernestine Wiedenbach – Helping Art of Clinical Nursing: Nursing as helping based on patient needs.

Faye Abdellah – 21 Nursing Problems Theory: Patient-centered approach.

Lydia Hall – Care, Cure, Core Theory: Nursing care, medical cure, patient core.

Joyce Travelbee – Human-to-Human Relationship Model: Empathy and compassion.

Margaret Newman – Health as Expanding Consciousness: Health as evolving awareness.

Rosemarie Parse – Human Becoming Theory: Quality of life and dignity.

3. Systems & Adaptation Theorists
Dorothy Johnson – Behavioral System Model: Patients as behavioral systems.

Myra Levine – Conservation Model: Conservation of energy, integrity.

Anne Boykin & Savina Schoenhofer – Nursing as Caring Theory: Caring central to nursing identity.

Barbara Dossey – Integral Nursing Theory: Holistic, integrative approach.

Joanne Duffy – Quality-Caring Model: Relationship-centered care.

4. Contemporary & Specialized Theorists
Afaf Meleis – Transitions Theory: Nursing supports patients during life transitions.

Merle Mishel – Uncertainty in Illness Theory: Coping with uncertainty.

Kristen Swanson – Caring Theory: Five caring processes.

Helen Erickson – Modeling and Role-Modeling Theory: Understanding patient worldview.

Joanne Riehl-Sisca – Interaction Model of Client Health Behavior: Client interactions and health behaviors.

5. End-of-Life & Palliative Care
Florence Wald – Hospice and Palliative Care Model.

Margaret Campbell – End-of-Life Nursing Theory.

Pamela Reed – Self-Transcendence Theory.

Cheryl Beck – Postpartum Depression Theory.

Carolyn Weiner & Marylin Dodd – Symptom Management Theory.

6. Leadership, Communication & Education
E. Zerwekh – Nursing Leadership Theory.

Joan Riehl – Communication Theory in Nursing.

Helen Yura & Mary Walsh – Nursing Process Framework.

Barbara Carper – Fundamental Patterns of Knowing in Nursing.

Jacqueline Fawcett – Metaparadigm of Nursing.

7. Pediatric & Specialty Nursing
Anne Casey – Child-Centered Nursing Model.

Sarah E. Allison – Nursing Ethics Theory.

Kathleen Dracup – Cardiac Nursing Theory.

Marilyn McFarland – Cultural Care Diversity.

Janet Hardy – Oncology Nursing Theory.

Joan Austin – Pediatric Nursing Theory.

Mary Jane Smith – Middle-Range Theory Development.

Elizabeth Lenz – Theory of Chronic Illness Care.

Pamela Minarik – Psychiatric Nursing Theory.

Nancy Roper, Winifred Logan, Alison Tierney – Roper-Logan-Tierney Model: Focus on activities of daily living.

Modern Applications
Clinical Practice: Theories guide assessment, diagnosis, intervention, and evaluation.

Education: Shape curricula and teaching strategies.

Research: Provide hypotheses and frameworks.

Policy: Influence health care standards and regulations.

Global Health: Cultural competence and holistic care models are increasingly vital.

Conclusion
Nursing theorists collectively shaped the profession’s identity.

Their models continue to influence education, research, and patient care.

Mastery of multiple theories ensures nursing remains a science, art, and compassionate practice.