One plus one equals three. It’s a fascinating idea in its simplicity and in its wrongness, but it’s the key to Ken Burns‘s work. According to the iconic documentary filmmaker (and sometimes Community homage subject), that’s the math that adds up to his storytelling success. The director is now the subject of a short documentary (because art has a sense of humor) from Sarah Klein and Tom Mason called Ken Burns: On Story (via The Atlantic). In it, they ask the central question of storytelling’s nature, and he answers with a little fuzzy math. Check it out for yourself: