The Persian cycle: A scientific and philosophical look at the limits of progress

Understanding the cyclical nature of civilizations is more than an academic exercise; it is a necessity for modern policymaking.

Pradeep B. Deshpande•Mar 24, 2026 08:11 AM• 194 views

Rise and Decline of Civilizations

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Pradeep B. Deshpande

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Pradeep is Professor Emeritus in and former Chair of the Department of Chemical Engineering at the University of Louisville, and founder President and Chief Executive Officer of Louisville-based Six Sigma and Advanced Controls (SAC).

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