A meticulous archival forensic investigation demonstrating that modern physics is the mathematical transfiguration of alchemy. Isaac Newton completed the Hermetic tradition by translating its operative ontology into the language of mathematics. Drawing on over a million words of Newton's chymical manuscripts, laboratory notebooks, and theological writings. Term-by-term correspondence between alchemical operations and Newtonian physics traced manuscript by manuscript. Force descends from active principle. Vis insita preserves vegetative spirit. The calculus enacts solve et coagula. Universal gravitation mathematises "as above, so below." Chapter 16 provides the Rosetta Stone: five documented correspondences from George Starkey's chymical theory through Newton's transitional vocabulary to the published Principia. The argument stands on Dobbs, Newman, and Westfall while taking the step they prepared. The foundational concepts of modern science, force, field, law, carry within them an operative structure inherited from the alchemical tradition. Understanding this genesis illuminates both what physics can do and what it cannot know about itself. 35 chapters. 170,000 words. About 200 scholarly references. The furnace never went out. It was transformed into mathematics.