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“Bite-Size Bits of Local, National, and Global History”
San Francisco in San Francisco City and County, California — The American West (Pacific Coastal)
 

Alan Turing

(1912-1954)

 

—Rainbow Honor Walk —

 
Alan Turing Marker image. Click for full size.
By Andrew Ruppenstein, September 9, 2016
1. Alan Turing Marker
Inscription. British cryptanalyst, logician, philosopher and mathematician widely recognized as a pioneer of artificial intelligence and the father of computer science
Alan Turing

 
Erected 2014 by Rainbow Honor Walk.
 
Location. 37° 45.628′ N, 122° 26.09′ W. Marker is in San Francisco, California, in San Francisco City and County. Marker can be reached from Castro Street south of 18th Street. Touch for map. Marker is at or near this postal address: 517 Castro Street, San Francisco CA 94114, United States of America.
 
Other nearby markers. At least 8 other markers are within walking distance of this marker. Allen Ginsberg (a few steps from this marker); Sylvester (within shouting distance of this marker); Keith Haring (within shouting distance of this marker); Leonard Matlovich (within shouting distance of this marker); Gertrude Stein (within shouting distance of this marker); Harry Hay (within shouting distance of this marker); Federico Garcia Lorca (within shouting distance of this marker); Tom Waddell (within shouting distance of this marker). Touch for a list and map of all markers in San Francisco.
 
Also see . . .
1. Alan Turing: The Enigma. Biographical website for Turing maintained by
Alan Turing Marker - Wide View image. Click for full size.
By Andrew Ruppenstein, September 9, 2016
2. Alan Turing Marker - Wide View
biographer Andrew Hodges. (Submitted on September 24, 2016.) 

2. Alan Turing's homosexual court files go on display (BBC, September 23, 2016). (Submitted on September 24, 2016.)
3. Alan Turing (Biography.com). Alan Turing was born on June 23, 1912, in London. In his seminal 1936 paper, he proved that there cannot exist any universal algorithmic method of determining truth in mathematics, and that mathematics will always contain undecidable propositions. That paper also introduced the "Turing machine. His papers on the subject are widely acknowledged as the foundation of research in artificial intelligence.... (Submitted on September 24, 2016.) 
 
Additional keywords. LGBT
 
Categories. CommunicationsScience & Medicine
 
 
Credits. This page was last revised on September 24, 2016. This page originally submitted on September 24, 2016, by Andrew Ruppenstein of Sacramento, California. This page has been viewed 182 times since then and 25 times this year. Photos:   1, 2. submitted on September 24, 2016, by Andrew Ruppenstein of Sacramento, California.
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