Wikipedia (online encyclopedia), viewed 10 November 2015 Bjo Trimble (Betty Jo Trimble (born Betty JoAnne Conway on August 15, 1933), universally known as Bjo, is a significant figure in the history of science fiction fandom. Initially entering fandom in the early 1950s, Trimble, along with her husband John Griffin Trimble, is credited as being one of the most influential fans of her generation) https://en.wikipedia.org/wiki/Bjo_Trimble