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Wikimedia Commons · CC BY-SA 4.0 · Hover to magnify, click for fullscreen
Original fileThis detail from Raphael’s fresco shows Pythagoras recording his findings on harmony and mathematics. A student kneeling before him holds a wooden tablet inscribed with Greek terms for musical intervals—such as the octave and fifth—and a triangular arrangement of ten dots. The scene highlights the Renaissance synthesis of arithmetic, geometry, and music as the foundational laws of the universe.
Pythagoras represents the bridge between mathematical science and mystical philosophy, particularly the 'musica mundana' or harmony of the spheres. The Tetractys shown on the tablet was a primary symbol of Pythagorean Neoplatonism, representing the quaternary and the organization of the cosmos, which later influenced Christian Kabbalah and Hermetic thought.
ΕΠΟΓΔΟΩΝ VI VIII VIIII XII ΔΙΑ ΠΑCΩΝ ΔΙΑ ΠΕΝΤΕ ΔΙΑ ΤΕCCΑΡΩΝ
Translation
The 9:8 ratio (Sesquioctave) 6, 8, 9, 12 Octave Fifth Fourth
Plato, Timaeus
The musical ratios on the tablet correspond to the mathematical divisions used by the Demiurge to construct the World Soul in Platonic cosmology.
Iamblichus, Life of Pythagoras
A primary ancient source for the mystical significance of the Tetractys and the biographical tradition of Pythagoras depicted here.
Johannes Reuchlin, De Arte Cabalistica
A central Renaissance text that explicitly links the Pythagorean Tetractys to the Hebrew Tetragrammaton.
Object
Oil on panel
portrait
Digital Source
Wikimedia Commons · CC BY-SA 4.0
Stitched together from vatican.va
3820 × 2964 px
Linked Data
AI AI-cataloged fields generated by gemini-3-flash-preview on April 2, 2026. Getty identifiers are AI-inferred and may require verification.