Which historical figure is often credited with being the 'Father of Public Relations' and revolutionized marketing by introducing psychological tactics in the 1920s?

Before digital campaigns and social media, marketing underwent a revolutionary transformation in the early 20th century. This pivotal period saw the emergence of strategies and concepts that would define advertising for generations. Test your knowledge of this crucial era when psychology first met commerce, changing how products would be sold forever. Do you know which pioneering figure helped establish the foundation of modern marketing techniques we still use today?

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Edward Bernays, who applied his uncle Sigmund Freud's psychological theories to marketing, creating emotional rather than rational appeals to consumers
Henry Ford, who pioneered mass marketing techniques by advertising his automobiles to middle-class Americans through innovative newspaper campaigns
Claude Hopkins, who developed the concept of test marketing and coupon-based promotions for measuring advertising effectiveness
William Lever, who created branded packaged soap (Sunlight Soap) with consistent messaging across all marketing materials