Tim Urban

Wait But Why; long-form first-principles explainers.

Tim Urban is the co-founder and sole author of Wait But Why, a blog known for tackling sprawling topics—procrastination, AI, human civilisation—through stick-figure diagrams and tens-of-thousands-word deep dives. His posts routinely go viral among engineers and executives for making abstract systems thinking accessible. He is best known for his procrastination framework (the 'Instant Gratification Monkey') and his landmark series on artificial intelligence and Neuralink.