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  2. Alchemy - Wikipedia

    en.wikipedia.org/wiki/Alchemy

    Alchemists were contracted by the elite for practical purposes related to mining, medical services, and the production of chemicals, medicines, metals, and gemstones. [100] Rudolf II, Holy Roman Emperor , in the late 16th century, famously received and sponsored various alchemists at his court in Prague, including Dee and his associate Edward ...

  3. List of alchemists - Wikipedia

    en.wikipedia.org/wiki/List_of_alchemists

    An alchemist is a person versed in the art of alchemy. Western alchemy flourished in Greco-Roman Egypt, the Islamic world during the Middle Ages, and then in Europe from the 13th to the 18th centuries. Indian alchemists and Chinese alchemists made contributions to Eastern varieties of the art. Alchemy is still practiced today by a few, and ...

  4. Philosopher's stone - Wikipedia

    en.wikipedia.org/wiki/Philosopher's_stone

    The 16th-century Swiss alchemist Paracelsus (Philippus Aureolus Theophrastus Bombastus von Hohenheim) believed in the existence of alkahest, which he thought to be an undiscovered element from which all other elements (earth, fire, water, air) were simply derivative forms. Paracelsus believed that this element was, in fact, the philosopher's stone.

  5. Even Sir Isaac Newton, considered the father of physics, was an avid alchemist who wrote a recipe for a main ingredient needed to make the fabled philosopher’s stone. The stone was thought to ...

  6. Scientists Probed a Medieval Alchemist’s Artifacts ... - AOL

    www.aol.com/scientists-probed-medieval-alchemist...

    The find could spell out why Brahe’s medicines were so popular. These days, we would call them proprietary blends. But in the late 1500s and early 1600s, individual alchemists called the ...

  7. Alkahest - Wikipedia

    en.wikipedia.org/wiki/Alkahest

    German-Dutch alchemist and chemist Johann Rudolf Glauber (1604–1670) believed that the alkahest was a class of substances, rather than one, particular substance. [9] Glauber believed he had discovered alkahest after discovering that volatile niter (nitric acid) and fixed niter (potassium carbonate) were able to dissolve several substances. [8]

  8. History of chemistry - Wikipedia

    en.wikipedia.org/wiki/History_of_chemistry

    The Alchemist, by Sir William Douglas, 1855. Alchemy is defined by the Hermetic quest for the philosopher's stone, the study of which is steeped in symbolic mysticism, and differs greatly from modern science. Alchemists toiled to make transformations on an esoteric (spiritual) and/or exoteric (practical) level. [28]

  9. List of occultists - Wikipedia

    en.wikipedia.org/wiki/List_of_occultists

    Occultism is one form of mysticism. [a] This list comprises and encompasses people, both contemporary and historical, who are or were professionally or otherwise notably involved in occult practices, including alchemists, astrologers, some Kabbalists, [b] magicians, psychics, sorcerers, and practitioners some forms of divination, especially Tarot.