Donald C. Johanson
Videos 2
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Books, ScienceAir Date 03/01/1994
Paleoanthropologist Donald C. Johanson talks about his book, "Ancestors." -
Books, Law, ScienceAir Date 03/01/1994
On the trial of Soviet spy Aldrich Ames. Biologist Stephen Jay Gould on "Finders, Keepers." Paleoanthropologist Donald C. Johanson on "Ancestors."