My maths supervisor always had a bunch of papers on his desk. I never figured out how someone with such a logical mind could have so much stuff everywhere. One

My maths supervisor always had a bunch of papers on his desk. I never figured out how someone with such a logical mind could have so much stuff everywhere. One feature was a huge vertical pile of papers. I always joked that he knew where everything was, it was just a case of measuring from the ground upwards.