Jean Klein was a twentieth‑century Advaita Vedānta teacher, often described as a modern non‑dual master who helped articulate non‑duality for Western seekers. He was French, trained as a physician and musicologist, and lived and taught primarily in Europe and the United States. After an initial life shaped by Western education and culture, his trajectory turned toward Eastern spirituality and the direct exploration of consciousness. This background in both medicine and music gave his teaching a distinctive sensitivity to the body and to subtle perception.

His spiritual maturation unfolded through extended stays in India, where he met traditional Advaita teachers and, in particular, was associated with the lineage of Atmananda Krishna Menon. Within that context, he came to a stable realization of the non‑dual nature of reality under the guidance of a Kashmiri master. From this realization, his role as a teacher emerged, and he began to present Advaita in a way that was at once faithful to its essence and accessible to contemporary minds. Rather than emphasizing doctrine, he pointed consistently to what he regarded as the ever‑present reality of awareness.

Klein’s teaching style revolved around direct recognition of one’s true nature, rather than the accumulation of spiritual knowledge. He stressed the immediacy of “being” and the felt sense of presence, encouraging students to notice awareness itself instead of chasing altered states or elaborate practices. Dialogues, silence, and subtle pointers were his primary tools, and he often invited a listening that was free of intellectual strain. In this way, his approach suggested that awakening is not an achievement but a recognition of what is already the case.

A distinctive feature of his work was the integration of Advaita inquiry with refined attention to the body. Drawing on his background in the arts and his sensitivity as a musicologist, he used body awareness and relaxed somatic exploration as gateways to the recognition of pure awareness. This marriage of non‑dual understanding with embodied sensitivity helped many students sense that realization is not confined to thought but permeates perception and movement. His influence can be traced in the lives and teachings of several later non‑dual teachers, and his books—such as “Who Am I?,” “I Am,” and “The Ease of Being”—continue to serve as contemplative companions for those drawn to the path of Advaita.