Media Summary: Order your copy of The Let Them Theory The Best Selling Book of 2025 Discover how ... Ellen Langer is a professor in the Psychology Department at Harvard University. In 1981, she became the first woman ever to be ...
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Order your copy of The Let Them Theory The Best Selling Book of 2025 Discover how ... Ellen Langer is a professor in the Psychology Department at Harvard University. In 1981, she became the first woman ever to be ...
