Select one key theorist or one key event that you think most influence

Select one key theorist or one key event that you think most influence

Select one key theorist or one key event that you think most influenced the development of nursing research.Write a 400-word essay explaining the selected researcher or event and the contribution to research and nursing development. How does the researcher or event shape the multiple paradigm of nursing?Cite at least four references.Format your paper consistent with APA guidelines.