He later specialized in forensic psychology but never gave up his clinical practice and wrote technical books in the field.

Freeman introduced himself as a medical man specializing in social psychology, and his wife, too, it appeared, was a doctor of medicine.

He specialized both in social and clinical psychology.

He specialized in child and social psychology.

Yerkes was a pioneering primatologist who specialized in comparative psychology.

He specialises in cultural psychology and has been described as "a leading figure" in that field.

He specializes in psychology and is also able to use hypnosis.

David Corfield is a philosopher specializing in mathematics and psychology.

He has specialized in social psychology, with particular reference to multilingualism.

Slater is a freelance writer specializing in psychology, mental illness, and women's health.