To many, theirs was an odd pairing. As John himself wrote: “We practically grew up in the same playpen. We never knew a time when we didn’t know each other.” (Annie says they were 2 years old when they met.) But they were different. John was athletic and outgoing while Annie barely spoke, not because she didn’t have anything to say, but because when she did, people often assumed she was either deaf or mentally deficient. For most of her life, Annie was afflicted with an 85 percent stutter, meaning she would become “hung up on 85 percent of the...