Historical Marker
Alan Turing
Historical marker location:
517 Castro Street, San Francisco, California
( Marker can be reached from Castro Street south of 18th Street.)
Marker installed: 2014
(1912-1954). Rainbow Honor Walk.
The state's name is derived from a novel called "Las Sergas de Esplandián," which was published in 1510. The book, written by Garci RodrÃguez de Montalvo, tells the story of a mythical island called California that is ruled by Queen Calafia and is said to be filled with gold and precious stones.