Books and Writing Spells

We owe a lot to alchemists

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The Harry Potter Canon

I decided on the school subjects very early on. Most of the spells are invented, but some of them have a basis in what people used to believe worked. We owe a lot of our scientific knowledge to the alchemists!

— "Magic, Mystery, and Mayhem: An Interview with J.K. Rowling,", Early spring 1999? (AmazonUK)