Philip Lieberman, Ph.D., George Hazard Crooker University Professor Emeritus, Brown University. Dr. Lieberman was previously the Fred M. Seed Professor of Cognitive and Linguistic Sciences Department of Cognitive and Linguistic Sciences at Brown University. He has contributed extensively to the research on the evolution of speech in humans and to the issue of whether Neanderthals developed speech. He has also investigated animal communication systems.

On April 26, 2021 Dr. Lieberman appeared on Science for the Public's Contemporary Science Issues and Innovations program to discuss Human Language, Animal Communication. This discussion was very timely, as there is renewed interest in the evolution of language, the issue of whether Neanderthal developed the cognitive and speech anatomy for real language, and the difference between animal communication and human language.

In addition to his many scholarly publications, Dr. Lieberman is the author of numerous books for the general public.
These include:

• Eve Spoke: Human Language and Human Evolution
• The Theory That Changed Everything: "On the Origin of Species" as a Work in Progress
• Uniquely Human: The Evolution of Speech, Thought, and Selfless Behavior

Dr. Lieberman appeared in the (2018) PBS Nova documentary Neanderthal