From our ancestors' early use of fire to some accidental — and disastrous — pyrotechnics in the 14th-century French court of Charles VI, Chapman reveals how early innovations across the world paved the way for modern science.
Hannah Osborne: The book is full of brilliant historical anecdotes that bring all of these alchemy breakthroughs into context. What was your favorite one and why?
This is the first element we can actually put a name to. This is the first person we can say actually discovered a chemical element, and it's an alchemist in the purest sense of the word. Then, of course, he tries to keep it secret. He sells it, eventually, to a friend, and his urine goes on tour around Europe, showing the kings and queens this glowing pee, before suddenly, [chemist and philosopher] Robert Boyle actually works out exactly what's going on.
HO: You make the point that these people weren't thinking, "Oh, I'm going to do chemistry." How important is that for understanding how these early innovations shaped modern knowledge of how things work?
Science is a way to understand what's going on in the world. It is not a separate thing from culture, from belief, from trade, from globalization, from discovery, from just getting on with life. I wanted to bring in the potters, the weavers, the bakers, the urine salesmen — which was an entire thing that I didn't really know I had to go down. I found it fascinating.
HO: You mentioned the beauty of it all, and the perfume. One of the chapters I really enjoyed was the first chemist who was a female perfume maker in ancient Assyria.
What I find fascinating is that we now have this person who was one of the working class, one of the underdogs, slaving for a week to make this potion that she wrote down because the recipe is incredibly detailed. And we remember her name, but we have no recollection of the lord or lady that she was actually making it for. It's kind of class warfare throughout the centuries.
KC: It's this combination of, as you mentioned, hiding the recipes because they are trade secrets. If you look at the first alchemy book that we actually know of — "Physika Kai Mystika" — it literally translates as "natural and secret questions" or trade secrets. These were craftsmen, and, of course, they didn't want to share it with rival craftsmen. If you've got a really good recipe for making something look like gold, you want to keep that to yourself.
But you also have things like Emperor Diocletian destroying the texts in Alexandria in 300 A.D. Why did he do it? Because it was a matter of survival for him. Twenty-five of his predecessors were murdered by their own guards or died of plague and things like that — horrible fates. He wanted to avoid that, and the idea that [someone] could turn something into gold terrified him. It would debase his currency, so it always brings in that politics. It brings in human nature and human curiosity.
KC: Yeah, without question. Whether or not we're going to discover some kind of new, groundbreaking technology that's going to change the world, I can't see that happening. But the one thing we could see is the use of natural products in a way that we hadn't necessarily thought [of].
Nobel Prize winner Tu Youyou (Image credit: STR / Stringer via Getty Images)
There is almost certainly more to find in terms of how they [ancient alchemists] used recipes, how they would try and make gold. Their understanding of the world is something that we don't necessarily have a full grasp of, and we're still piecing it together. There's some wonderful work being done by Matteo Martinelli and others looking at the history of, particularly of Western alchemy emerging in Egypt.
HO: It's interesting now, watching modern equivalents taking place. We still, to an extent, try to guard our own knowledge.
We've got to recognize that science has moved on certainly from the "Great Man" idea. We're now working collaboratively in teams. That is the only way that modern science gets done. The second, if there is one lesson from the book, it's that if you try and hide science, you delay progress.
The moment you actually start spreading ideas, the real ignition for me for the Renaissance and for what becomes chemistry, is the printing press. It's the fact that ideas can then be shared and accessed by everybody. The moment we start realizing that science is a global endeavor, that everyone can do it — man, woman, child, it doesn't matter your nationality, [it] doesn't matter your ethnic ethnicity, it's for everybody — the sooner we're going to start seeing some major progress that we otherwise wouldn't make.
KC: One thing that really annoyed me was, looking through textbooks, you can look at who made zinc, and you come up with a name that came from the 1700s, or how platinum was discovered — that's a fantastic example. Platinum was discovered by a conquistador who noticed that some natives were wearing platinum. But, of course, he didn't discover it; it was discovered by the Indigenous populations.
They weren't necessarily developments that we think of in terms of leading to chemistry, but they were dealing with social problems that they had at the time. They were tackling what was in front of them, and we always need to remember when we're looking at history to look at the context of the discoveries.
KC: One thing that I found sort of striking was, there's a chap called Paracelsus who is absolutely fascinating, absolutely bonkers. Paracelsus is, for me, the archetypical alchemist because he was certainly trying to revitalize medicine and get rid of humor theory and come up with all these ideas. [Editor's note: Humor theory is the idea that human health and temperament were related to four fluids in the body — black and yellow bile, blood and phlegm.] But he also believed that mermaids were real and that they were just out to steal men's souls.
A painting of Paracelsus. (Image credit: GL Archive via Alamy)The other one that always comes to me is Antoine Lavoisier in the French Revolution. He made several great discoveries — the fact that matter can only be changed; it can't be destroyed [at least at low energies]. The idea that if you take something, then obviously there's got to be components to that; you're not making it out of thin air. And coming up with a list of elements in the French Revolution or just before the French Revolution, unfortunately dies, from the guillotine [when Lavoisier was executed].
HO: For you personally, throughout researching and writing the book, what was your biggest takeaway and what was the biggest surprise?
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There've been so many [surprises]. One of the things — this is purely because of the way that I was taught and these inherent biases that we have — but it's so easy to overlook the role of women. When you start delving into the role of women in science … You've mentioned Tappūtī; we also have Mary the Jewess. Throughout the Renaissance, we have people like Caterina Sforza and [the] very famous Queen Christina of Sweden, which I didn't mention in the book because I just didn't have space.
This interview has been condensed and edited lightly for clarity.
profilebooks The Age of Alchemy (Hardback)"Age of Alchemy" is a fascinating and funny dive into chemistry long before chemistry existed. It captures the ingenuity of humans across cultures and time, revealing how ultimately the work of these early innovators would eventually meld into modern science.
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