Paul Rozin (born 1936) is one of the most well-regarded and influential psychologists in the world.

Piaget was one of the influential early psychologists to study the development of cognitive abilities.

Anne Treisman is one of the most influential cognitive psychologists in the world today.

For a period of about 20 years, from 1930 to 1950, he was a prominent and influential psychologist.

According to a widely cited ranking, he was the 16th most influential and eminent psychologist of the 20th century.

Elias Hull Porter (1914 - 1987) was an influential psychologist.

He studied and worked under Carl Jung, an influential psychologist.

In a June 2002 survey, Skinner was listed as the most influential psychologist of the 20th century.

He has been described by American Psychologist as one of the most influential developmental psychologists.

Cronbach is considered to be "one of the most prominent and influential educational psychologists of all time."