Peter Gray is an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 psychologist

Psychology

Psychology is the study of the mind and behavior. Its immediate goal is to understand individuals and groups by both establishing general principles and researching specific cases. For many, the ultimate goal of psychology is to benefit society...

 and now professor emeritus at Boston College

Boston College

Boston College is a private Jesuit research university located in the village of Chestnut Hill, Massachusetts, USA. The main campus is bisected by the border between the cities of Boston and Newton. It has 9,200 full-time undergraduates and 4,000 graduate students. Its name reflects its early...

. He is the author of a widely-used introductory psychology textbook

Textbook

A textbook or coursebook is a manual of instruction in any branch of study. Textbooks are produced according to the demands of educational institutions...

, Psychology, currently in its sixth edition.

Gray graduated from Cabot School in Cabot, Vermont, where he was valedictorian

Valedictorian

Valedictorian is an academic title conferred upon the student who delivers the closing or farewell statement at a graduation ceremony. Usually, the valedictorian is the highest ranked student among those graduating from an educational institution...

. He majored in psychology at Columbia College

Columbia College of Columbia University

Columbia College is the oldest undergraduate college at Columbia University, situated on the university's main campus in Morningside Heights in the borough of Manhattan in New York City. It was founded in 1754 by the Church of England as King's College, receiving a Royal Charter from King George II...

 in New York City

New York City

New York is the most populous city in the United States and the center of the New York Metropolitan Area, one of the most populous metropolitan areas in the world. New York exerts a significant impact upon global commerce, finance, media, art, fashion, research, technology, education, and...

 and graduated summa cum laude

Latin honors

Latin honors are Latin phrases used to indicate the level of academic distinction with which an academic degree was earned. This system is primarily used in the United States, Canada, and in many countries of continental Europe, though some institutions also use the English translation of these...

and Phi Beta Kappa

Phi Beta Kappa Society

The Phi Beta Kappa Society is an academic honor society. Its mission is to "celebrate and advocate excellence in the liberal arts and sciences"; and induct "the most outstanding students of arts and sciences at America’s leading colleges and universities." Founded at The College of William and...

. In 1972 Gray received his Ph.D.

Doctor of Philosophy

Doctor of Philosophy, abbreviated as Ph.D., PhD, D.Phil., or DPhil , in English-speaking countries, is a postgraduate academic degree awarded by universities...

 in biological sciences

Biology

Biology is a natural science concerned with the study of life and living organisms, including their structure, function, growth, origin, evolution, distribution, and taxonomy. Biology is a vast subject containing many subdivisions, topics, and disciplines...

 from Rockefeller University

Rockefeller University

The Rockefeller University is a private university offering postgraduate and postdoctoral education. It has a strong concentration in the biological sciences. It is also known for producing numerous Nobel laureates...

, where he worked under Neal Miller and studied psychology, animal behavior, physiology

Physiology

Physiology is the science of the function of living systems. This includes how organisms, organ systems, organs, cells, and bio-molecules carry out the chemical or physical functions that exist in a living system. The highest honor awarded in physiology is the Nobel Prize in Physiology or...

, and neurobiology.

From 1970 to 1971 Gray was an adjunct lecturer in psychology at the City College of New York

City College of New York

The City College of the City University of New York is a senior college of the City University of New York , in New York City. It is also the oldest of the City University's twenty-three institutions of higher learning...

. In 1972 he was a guest investigator in physiological psychology

Physiological psychology

Physiological psychology is a subdivision of behavioral neuroscience that studies the neural mechanisms of perception and behavior through direct manipulation of the brains of nonhuman animal subjects in controlled experiments...

 at Rockefeller University

Rockefeller University

The Rockefeller University is a private university offering postgraduate and postdoctoral education. It has a strong concentration in the biological sciences. It is also known for producing numerous Nobel laureates...

 and the same year joined the psychology department at Boston College

Boston College

Boston College is a private Jesuit research university located in the village of Chestnut Hill, Massachusetts, USA. The main campus is bisected by the border between the cities of Boston and Newton. It has 9,200 full-time undergraduates and 4,000 graduate students. Its name reflects its early...

.

He is the sole author of a major introductory textbook, Peter Gray's Psychology http://www.worthpublishers.com/gray/

Gray's research interests include play

Play (activity)

Play is a term employed in ethology and psychology to describe to a range of voluntary, intrinsically motivated activities normally associated with pleasure and enjoyment...

 (especially age-mixed play), educational psychology

Educational psychology

Educational psychology is the study of how humans learn in educational settings, the effectiveness of educational interventions, the psychology of teaching, and the social psychology of schools as organizations. Educational psychology is concerned with how students learn and develop, often focusing...

, evolutionary psychology

Evolutionary psychology

Evolutionary psychology is an approach in the social and natural sciences that examines psychological traits such as memory, perception, and language from a modern evolutionary perspective. It seeks to identify which human psychological traits are evolved adaptations, that is, the functional...

, and developmental psychology

Developmental psychology

Developmental psychology, also known as human development, is the scientific study of systematic psychological changes, emotional changes, and perception changes that occur in human beings over the course of their life span. Originally concerned with infants and children, the field has expanded to...

He is currently writing a blog, titled Freedom to Learn http://blogs.psychologytoday.com/blog/freedom-learn.