The research, practice, and philosophy of today's nursing are predicated on an understanding and appreciation of its origins. Making a significant contribution to the advancement of nursing science, this compelling volume defines its history, assesses its present status, and envisions its future applications and development. Based on renowned theorist Imogene King's powerful doctrine, the work begins with a philosophical overview by the theorist herself. Next, prominent international contributors describe specific implementations of King's theory, illustrating its impact on their practices and clearly demonstrating its connection to research and practice. Finally, the progression of knowledge in the field is evaluated, culminating in suggestions for further exploration and refinement. This incisive text will be an indispensable resource for professionals, students, and all those concerned with the progress of nursing science.