Mathematicians have a habit of finding order in the most unexpected places. A famous example of this is when Leonhard Euler was asked to find a method to cross each of the Seven Bridges of Königsberg only once. He proved that this was impossible, and his proof served as a foundation for the field of graph theory. The mathematical theory of knots has a similar origin; it can be traced to another incredible mathematician, Carl Friedrich Gauss, making diagrams of knots in his notebook. Gauss was seeking a mathematical explanation of electricity, and he laid the foundation for a rich theory. But before we dive into the specifics, let’s talk about the long history of knots.
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