Author Search Results

Your search for the author Richard C. Duncan, Ph.D.  returned 3 results:

America: A Frog in the Kettle Slowly Coming to a Boil

By Richard C. Duncan, Ph.D. (Fall 2007)

The Olduvai Theory - Heading into the Gorge

By Richard C. Duncan, Ph.D. (Winter 2013)

The Olduvai Theory - Back to hunting and gathering

By Richard C. Duncan, Ph.D. (Winter 2015)