Conversation so far:
Is there a written biography of Leo Fender?
Leo Fender: The Quiet Giant Heard Around the World
Where was Leo Fender born?
Anaheim, California
Does Leo Fender have any siblings?
In addition to his wife, Fender is survived by a sister, Wilda Gray of Anaheim.

Question: When was he born?
Self-contained rewrite: When was Leo Fender born?