William H. Calvin Quotes:
Ocupation: Professor
Life: b. April 30, 1939
Birthday: April 30
Since Serengeti-scale savanna scenes are only one or two million years old, our earliest after-the-apes ancestors didn't move into this scene so much as they evolved with it, as the slower climate changes and uplift produced more grass and less forest.
source: William H. Calvin (2010). “A Brain for All Seasons: Human Evolution and Abrupt Climate Change”, p.90, William H. Calvin
topic: Uplifting, Moving, Years, Savanna
