Freeman Dyson got the final insight that led him to the unification of quantum electrodynamics while returning by Greyhound bus from Berkeley to Chicago. Posted on 2022/02/15 by Carl Robitaille Freeman Dyson got the final insight that led him to the unification of quantum electrodynamics while returning by Greyhound bus from Berkeley to Chicago. pic.twitter.com/omeqTJFSZY— Fermat's Library (@fermatslibrary) February 4, 2022