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Who Was the First Person to Smile in a Photo?

James H. Sterling • • 6 min read
Who Was the First Person to Smile in a Photo?
★ Key Takeaways

Primatologist Signe Preuschoft Traces the Smile Back over 30 Million Year's of Evolution to a "Fear Grin" Stemming from Monkeys and Apes Who Often Used Barely Clenched Teeth to Portray to Predators That They Were Harmless, or to Signal Submission to More Dominant Group Members.

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Direct Answer • Key Takeaway

Primatologist Signe Preuschoft Traces the Smile Back over 30 Million Year's of Evolution to a "Fear Grin" Stemming from Monkeys and Apes Who Often Used Barely Clenched Teeth to Portray to Predators That They Were Harmless, or to Signal Submission to More Dominant Group Members.

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James H. Sterling
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James H. Sterling

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.