Photo credits

Last updated October 21, 2026

The course and guide photos come from Wikimedia Commons. Thank you to the photographers and institutions who share them.

• Bremerhaven container terminal by Carsten Steger, CC BY-SA 4.0.
• Stock market charts, CC0.
• HPC data center, U.S. Department of Energy, public domain.
• Two people meeting by Alejandro Escamilla, CC0.
• Account book ledger by John Carlin, The Metropolitan Museum of Art, CC0.
• Tall skyscrapers in Calgary by Samson Duborg-Rankin, CC0.
• Soulard Market stalls, public domain.
• Ajax and Achilles playing dice by Gary Todd, CC0.
• Toronto Stock Exchange trading floor, City of Toronto Archives, public domain.
• Shopping cart by safaritravelplus, CC0.
• Sticky notes at a strategy salon by 無聊龍, CC0.
• Newton's Principia, 1687, public domain.
• HP-12C financial calculator by Pittigrilli, CC0.
• Laptop with price charts by Negative Space, CC0.
• Bank of Canada building by 方畢可, CC0.
• Bull statue by Hans Eiskonen, CC0.
• Monkey saddle surface by Inductiveload, public domain.
• Desk with laptop and calculator, CC0.
• Heavy industry by Ant Rozetsky, CC0.
• Vintage chess pieces by Lou Levit, CC0.
• Galton boards; exhibit made by Estes Objethos, CC BY-SA 4.0.
• Chess game Staunton No. 6 by Wilfredor, CC0 (free demo).