Precursors
AE (Anno Epoche) era
James Lovelock
Howard Gardner
Ursula leGuin
Industrial Era
Ernest Thompson Seton and Robert Baden-Powell
Rudolf Steiner
J. Howard Moore
Alan Matthison Turing
Henry David Thoreau
Pre-Industrial Era
certain Mediterranean city states of antiquity
indigenas & certain pre-colonial cultures
Jean Jacques Rousseau
Jan Amos Comenius
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