Explore a thought-provoking lecture by David Krakauer examining the perspectives of three scientific giants - Feynman, Shannon, and Darwin - on the concept of understanding. Delve into how these influential thinkers approached comprehension in their respective fields of physics, information theory, and evolutionary biology. Gain insights into their methodologies, concerns, and contributions to scientific understanding. Discover the intersections and divergences in their approaches, and consider how their ideas continue to shape modern scientific inquiry and our quest for knowledge.