2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/152150In this paper we give a proof of Lichnerowicz Conjecture for compact simply connected manifolds which is intrinsic in the sense that it avoids the {\it Nice Embeddings} into eigen spaces of the Laplacian. Even if one wants to use these embeddings this paper gives a more streamlined proof.9 pages, LatexDifferential Geometrytext