My real father died when I was two years old, so I never knew him. He was a barber in Chicago.

All mammals undergo a certain degree of diversification. Darwin knew that. When he drew a family tree, it had many branches on it.

When the first fossils began to be found in eastern Africa, in the late 1950s, I thought, what a wonderful marriage this was, biology and anthropology. I was around 16 years old when I made this particular choice of academic pursuit.

One has to take initiative in life to achieve what he or she wants.

He's 78 years old... He's not the same Orrin Hatch I knew 12 years ago.

My father? I never knew him. Never even seen a picture of him.