Australian-American historian at Macquarie University who founded Big History — a discipline that combines cosmology, geology, biology, and human history into a single 13.8-billion-year narrative — and wrote Maps of Time and Origin Story.
Founded Big History as a discipline — Christian's insight that human history must be understood within the context of cosmic and biological evolution (not just political and cultural history) created the framework that Bill Gates funded and that is now taught in schools worldwide.
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