This man suggested writing a book on the head of a pin by directly manipulating individual atoms in his talk "There's Plenty of Room at the Bottom".
This man suggested writing a book on the head of a pin by directly manipulating individual atoms in his talk "There's Plenty of Room at the Bottom". His eponymous ratchet violates the second law of thermodynamics.  He devised the path integral formulation, which he called a "sum over histories," that helped him with Schwinger and Tomonaga renormalize quantum electrodynamics. Using another formalism named for him, one can illustrate the interactions of charged particles using force-carrying photons. For 10 points, name this American physicist known for his lectures on physics and his namesake diagrams.
This man suggested writing a book on the head of a pin by directly manipulating individual atoms in his talk "There's Plenty of Room at the Bottom".
Richard Feynman 