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There are many chemical engineers, chemists and biochemists working with BioFuelNet on advanced biofuels using some of the most modern cutting-edge technologies. Personally, I’m particularly interested in ancient history and the history of science and knowledge, which is often left out of modern scientific training in university and grad school. This article explores the history behind modern chemistry and biochemistry, which is misunderstood but highly relevant to modern thought. This article has been reposted from my personal blog, The Spaced-Out Scientist.

Alchemy is generally seen as an archaic proto-science based on superstition that is of little interest to the modern chemist. In truth, chemistry owes much to alchemy, which covers philosophical traditions and chemical history spanning several millennia in the Middle East, China, India and Europe. Alchemy has played a significant role in the development of modern chemistry, medicine and psychology.

The etymology of the modern word, chemistry, comes from the Arabic alkīmiyā (al ‘the’ + kīmiyā), which comes from the ancient Greek word chēmeíameaning “black magic”. The Greek word is derived from the ancient Coptic word for “Egypt”, “kēme”, which means “black earth”, a type of fertile soil that is left after the annual flooding of the Nile.

Alchemy can generally be defined as an ancient art form that seeks purification of the soul and immortality in parallel with the transmutation of chemical elements where gold symbolizes perfection. Alchemists made medicines and pharmaceuticals, and endeavoured to understand the material basis of the world. Although the alchemists practiced actual chemistry and medicine, turning lead into gold symbolized a spiritual transmutation equivalent to an awakened consciousness present in all forms and which created the universe.

Mandala illustrating key alchemical concepts, symbols, and processes. 1615
Mandala illustrating key alchemical concepts, symbols, and processes. 1615 AD

In Western alchemy, perfection is achieved through the action of the Philosophers Stone. Alchemists believed that it could turn any substance into gold, prolong life and cure illness. The Philosophers Stone is created from “prima materia”, which is the primitive formless base of all matter, similar to our modern concepts of dark matter or chaos.

Western alchemy: from ancient Egypt to Renaissance Europe

The Ancient Egyptians were some of the first practitioners of alchemy around 2000 BC, and much of the early chemical knowledge in Egypt was linked to embalming the dead and religious ritual. The Ancient Greek king, Alexander the Great conquered Egypt and founded Alexandria in 331 BC, which became the intellectual and cultural center of the ancient world. Alexandria became a major hub for alchemy, bringing together Egyptian, Greek and Jewish knowledge and culture.

Roman floor mosaic of Alexander the Great, circa 100 BC; originally from the House of Faun in Pompeii.
Roman floor mosaic of Alexander the Great, originally from the House of Faun in Pompeii, 100 BC

Between 400-600 AD, most Alchemical texts were lost and the remainder shifted to the Islamic world due to the repeated destruction of the Library of Alexandria and of non-Christian texts during the late Roman Empire. The Islamic world became a melting pot for alchemical knowledge.

The crusades, which began in 1096 AD, brought the West into contact with Islamic knowledge, which contributed to the re-emergence of alchemy in medieval Europe. It re-gained popularity in Renaissance Europe, and until as late as the 17th century, many notable modern scientists were also alchemists, including Isaac Newton and Robert Boyle, who is considered the father of chemistry.

Alchemical apparatus. 1681 AD.
Alchemical apparatus. 1681 AD.

Indian alchemy

Alexander the Great invaded India in 325 BC, which suggests that there may have been some influence between Indian and Greco-Egyptian alchemy. Indian alchemy or Rasayana, which means the art of manipulating Rasa, meaning nectar, mercury or juice, was closely associated to the Dharmic faiths (Hinduism, Buddhism, Sikhism and Jainism). Indian alchemy began in approximately 1200 BC and is an early from of Ayurvedic medicine focused on extending lifespan. Indian alchemists created medicines composed of various metals, including mercury and other substances that were combined with herbs.

Chinese alchemy

The beginnings of Chinese alchemy are unclear but probably emerged sometime between 400 BC – 100 AD. It is closely associated to Taoism and Chinese traditional medicine, Acupuncture, Tai Chi, Qigong and focuses on the purification of the body in spirit in the hopes of obtaining immortality. The Chinese alchemists concocted alchemical medicines or elixirs, which were often composed of metals like gold and silver, and other compounds.

Chinese woodcut: Daoist internal alchemy (3) Credit: Wellcome Library, London. Wellcome Images
Chinese woodcut: Daoist internal alchemy. 1615 AD. Credit: Wellcome Library, London. Wellcome Images

Much of the central concepts between Chinese, Indian and Western alchemy are remarkably similar. It is unknown whether these forms of alchemy share common origins and whether they influenced each other. However, from 334-323 B.C., Alexander the Great conquered many parts of the East, which helped exchange knowledge between Eastern and Western cultures, so it is possible that influence occurred.

The decline of alchemy

How did such an important intellectual and philosophical tradition existing for several millennia suddenly disappear from Western thought?

Aspects of Indian and Chinese alchemy were absorbed by modern science and chemistry, and other aspects were preserved in other systems such as Hindu traditional medicine, Ayurveda,  as well as Chinese traditional medicine, Acupuncture and modern Tai Chi and Qigong.

In the 18th century, Western alchemy was in decline due to the birth of modern chemistry, which detached itself from religion and spirituality, and embraced a more precise and empirical framework based on the scientific method. Alchemy was then generally understood to mean ”gold making”, which gave rise to the popular belief that alchemy is charlatanism and superstition. Poor translations of adulterated documents with esoteric and spiritualistic interpretations also contributed to alchemy’s decline.

Alchemy is still practiced today by a small number of practitioners who focused symbolic and spiritual aspects of alchemy, combined with a “New Age” approach. Some alchemical techniques are still actively practiced in traditional medicine, using a combination of pharmacological and spiritual techniques. Many secret societies, such as the Freemasons and Rosecrucians have also always been interested in alchemical symbolism.

Alchemy’s influence on modern science

Alchemy made important contributions to metalworking, refining, production of gunpowder, ceramics, glass, ceramics, ink, dyes, paints, cosmetics, extracts, liquors etc. Alchemists conceptualized chemical elements into the first rudimentary periodic tables and introduced the process of distillation to Western Europe. They were also among the first to extract metals from ores and compose various inorganic acids and bases.

Some examples:

  • Sulfuric acid was first described (approx. 1300 AD) by the alchemist, Pseudo-Geber. Sulfuric acid is the most used substance in chemical industries today after water, air, coal and oil.
  • The alchemist Andreas Libavius (1555 – 1616 AD) was the first to describe the preparation of free hydrochloric acid, of tin tetrachloride, and of ammonium sulfate.
  • Libravius and Pseudo-Geber described the preparation of aqua regia (“royal water”), a mixture of nitric acid and hydrochloric acid, which can dissolve gold.
  • The alchemist Albertus Magnus (1193-1280 AD) is often credited for the discovery of arsenic, although it was probably known to earlier alchemists.
  • Chinese alchemists invented gunpowder or black powder  in the 9th century.
  • Indian alchemy made important contributions to metallurgy. High-quality, high carbon steel was already being produced in India between 300-200 BC, and was exported throughout Asia and Europe.
A replica of Libavius' laboratory
A replica of Libavius’ laboratory

But there is much more than early chemistry to the story.

Alchemy was influential in the formulation of Isaac Newton’s theory of gravity. It is also central to Jung’s idea of the collective unconscious. Much of the vast array of symbols used in alchemy draws from the Collective Unconscious of the West. The history of alchemy is very complex, and it is impossible to even scratch the surface in this article.

The author,  Annie Webb, writes the blog Spaced-Out Scientist.

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