Growing up in Germany I was always bored in math class, despite going to “Gymnasium” (the branch of Germany’s multi-tiered system that leads up to university) and even taking the most advanced math class in our school (the so-called “Leistungskurs Mathematik”). The math we were doing included some multi-variate calculus and some probability but I never felt really challenged nor was there a clear opportunity to take something more advanced. In fact, I wasn’t even aware that one could do the s...