A French-language biographical study of Samuel Hahnemann, the German physician best known for founding homeopathy. The book places Hahnemann’s life and medical ideas in historical context, tracing his development as a practitioner, translator, and reform-minded thinker in late eighteenth- and early nineteenth-century Europe. It examines the circumstances that led him to question established medical practices and to formulate the principles that shaped homeopathic medicine. Presented as an accessible work of biographical nonfiction, the title is intended for readers interested in the history of medicine, alternative medical traditions, and the personal story behind a controversial therapeutic movement. The book offers a focused portrait of Hahnemann’s career and intellectual legacy rather than a clinical manual.