Paleoanthropologist Donald Johanson is best known as the man who discovered “Lucy,” the 3.2-million-year-old partial skeleton and hominin ancestor to Homo sapiens. An accomplished scientist, scholar,and National Geographic grantee, Donald has helped piece together the puzzle of human evolution. He is the founder of the Institute of Human Origins at Arizona State University and the author of the book Lucy’s Legacy: The Quest for Human Origins. His work has been featured many times in National Geographic magazine and various documentaries.