What is the name of the protoscience where philosophy, science, occultism and theology come together to turn lead into gold?

• alchemy
  The Merriam-Webster definition of alchemy is “a medieval chemical science and speculative philosophy aiming to achieve the transmutation of the base metals into gold, the discovery of a universal cure for disease, and the discovery of a means of indefinitely prolonging life.” Though many experts don’t consider alchemy to be an actual science, it is often referred to as a protoscience that inspired modern day chemistry.
• biophysics
  The Merriam-Webster definition of alchemy is “a medieval chemical science and speculative philosophy aiming to achieve the transmutation of the base metals into gold, the discovery of a universal cure for disease, and the discovery of a means of indefinitely prolonging life.” Though many experts don’t consider alchemy to be an actual science, it is often referred to as a protoscience that inspired modern day chemistry.
• petrology
  The Merriam-Webster definition of alchemy is “a medieval chemical science and speculative philosophy aiming to achieve the transmutation of the base metals into gold, the discovery of a universal cure for disease, and the discovery of a means of indefinitely prolonging life.” Though many experts don’t consider alchemy to be an actual science, it is often referred to as a protoscience that inspired modern day chemistry.