G. Stanley Hall

G. Stanley Hall was the first president of the American Psychological Association and had an enormous influence on the development of early psychology. In addition to being the APA's first president, he was also the first American to earn a Ph.D. in psychology and founded the first American psychology laboratory at John Hopkins University. Learn more about him in this brief biography covering his life, work and theories: G. Stanley Hall Biography

Today in Psychology History: On September 10, 1910, Robert L. Thorndike was born. As the son of another well-known psychologist, Edward Thorndike, Robert went on to become an educational psychologist and psychometrician. In 1954, he published a mental abilities test designed for use with groups in schools, which eventually became known as the Cognitive Ability Test. The goal of the test was to create an intelligence profile rather than just an intelligence quotient.

Related:

• Timeline of Modern Psychology
• 10 Most Influential Psychologists
• The Origins of Psychology

_{Public Domain Image}