Dashiell Hammett, author of The Maltese Falcon, lived at 891 Post Street (supposedly Apt #401) -- which is also where he had his famous detective Sam Spade reside.
Just a few blocks away, on Burritt Alley (just off Bush Street), there is a plaque marking where Sam Spade's partner, Miles Archer, met his death. The plaque reads: On approximately this spot Miles Archer, partner of Sam Spade was done in by Brigid OShaughnessy.
For an interesting post about the Dashiell Hammett / Sam Spade House, read this article at markcoggins.com
For more information about Burritt Alley and other Classic Movie Travels, see the book Film + Travel North America, South America: Traveling the World Through Your Favorite Movies