Graph Coloring, or Proof by Crayon 14 years ago
I find it amazing that people with such a deep and detailed grasp of mathematics such as this person are able to also express very advanced concepts in layman's terms through real-world examples and practical applications.
I'm only a semi-advanced secondary school student, so many of the concepts are way over my head at this point. Things like this article serve as catalysts to curiosity and are inspirations to pursue the study of the mathematics.