[["he was born in San Fransisco, California.", 173.0], ["Jack the Ripper was an unidentified serial killer active in the largely impoverished areas in and around the Whitechapel district of London in 1888. In both the criminal case files and contemporary journalistic accounts, the killer was called the Whitechapel Murderer and Leather Apron.", 21.0]]
where did jack london live
history