Loretta T. Zderad was an American nursing theorist. Publicly available information is limited, and what can be confirmed centers mainly on the humanistic nursing theory she developed together with Paterson. This theory holds that nursing should focus on the whole experience of the person and on genuine encounter and mutual understanding between nurse and patient, rather than remaining at the level of technical procedures. Her representative work, Humanistic Nursing, sets out this theoretical orientation in a systematic way and is regarded in nursing scholarship as an important document of humanistic nursing thought, exerting a lasting influence on nursing education, clinical practice, and theory building. One of her works is held in this catalog, namely Humanistic Nursing. Details of her birth and death dates, education, and career are not documented in reliable public sources and are therefore not inferred here.