Which inventor revolutionized the razor market with the 'razors-and-blades' business model, selling razors at a loss to profit from blade replacements?

The history of commerce is filled with pricing strategy breakthroughs that revolutionized entire industries. From subscription models to dynamic pricing algorithms, clever pricing approaches have often been as innovative as the products themselves. This trivia question focuses on a groundbreaking pricing innovation that disrupted conventional retail wisdom and created an entirely new market segment. Test your knowledge of how pricing strategy innovations have shaped consumer behavior and market development!

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King C. Gillette
Thomas Edison
George Eastman
Frederick Banting