The question "Who is John Galt" is repeatedly throughout AtlasShrugged
. Late into the book we learn the John Galt is the man who stopped the motor of the world and the leader of the /Strikers
. He is also the same character as /MysteryWorker
There is a clothing store at 193 Gore Creek Drive, Vail Village, Colorado called John Galt Ltd. One presumes that, on occasion, a customer unknowingly walks in and asks, "Who is John Galt."