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.
-- Donald Johanson
   
Donald Johanson   Name:
Donald Johanson
Type:
Scientist
Nationality:
American
Birth:
June 28, 1943
https://www.nutquote.com/quote/Donald_Johanson