David Christian

David Gilbert Christian
(source: abc)
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historian and scholar of Russian history; notable for teaching and promoting the emerging discipline of Big History; began teaching the first course in 1989 which examined history from the Big Bang to the present using a multidisciplinary approach with assistance from scholars in diverse specializations from the sciences, social sciences, and humanities; the course frames human history in terms of cosmic, geological, and biological history; credited with coining the term Big History; serves as president of the International Big History Association.

(source: wiki)

The History of Our World in 18 Minutes (TED 2011)

(A Life in Books)