When I realized, in 1978, that Lucy did represent a new species of human ancestor, and that I had an opportunity to name this new species, I realized this was a revolutionary step in understanding human origins.
I tell my students, it's not difficult to identify with somebody like yourself, somebody next door who looks like you. What's more difficult is to identify with someone you don't see, who's very far away, who's a different color, who eats a different kind of food. When you begin to do that then lite