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Photo credits

These portraits come from Wikimedia Commons and are used under the Creative Commons licence shown. Some are cropped.

  • Warren Buffett · photo by Mark Hirschey · CC BY-SA 2.0 source
  • Charlie Munger · photo by Dinoch1 · CC BY-SA 4.0 source
  • Naval Ravikant · photo by kris krüg · CC BY-SA 2.0 source
  • Richard Thaler · photo by Chatham House · CC BY 2.0 source
  • Annie Duke · photo by Annie Duke · CC BY-SA 4.0 source
  • Tobias Lütke · photo by Union Eleven · CC BY-SA 3.0 source
  • Guy Kawasaki · photo by VGrigas (WMF) · CC BY-SA 3.0 source
  • Gwyneth Paltrow · photo by MingleMediaTVNetwork · CC BY-SA 2.0 source
  • Russell Brunson · photo by approved press photo, russellbrunson.com source
  • Greg Renker · photo by courtesy of Guthy-Renker source
  • Tim Harford · photo by PopTech · CC BY-SA 2.0 source
  • David Cancel · photo by Web Summit (Harry Murphy/Sportsfile) · CC BY 2.0 source
  • Robert I. Sutton · photo by Eugene Kim · CC BY 2.0 source
  • Jonah Berger · photo by Jonah Berger · CC BY-SA 3.0 source
  • Rand Fishkin · photo by Web Summit (Sam Barnes/Sportsfile) · CC BY 2.0 source
  • Daniel Gilbert · photo by Daniel Gilbert · CC BY-SA 4.0 source
  • David Heinemeier Hansson · photo by David Merrett · CC BY 2.0 source
  • James Altucher · photo by Chooseyourself-altucher · CC BY-SA 4.0 source
  • Daniel H. Pink · photo by Dhpmccullought · CC BY-SA 3.0 source

Questions about any of these documents? Contact the Institute and a member of the team will reply within one to two business days.

Dr. Robert Cialdini

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