Pennsylvania native.1945 he became the chairman of psychology department at Indiana Univerisity. One of his biggest criticism was his oblections to the views of Sigmund Feud. He believed opposite of what Feud embodied.He spent most of his carrer studying the theory of reinforcement. http://allpsych.com/biographies/skinner.html
He was a humanistic pyschologist. He believe in a genuine good lied within everyone.1942 he served as the persident of the American Psychological Society.His most respected work is the "Client center Therapy" and "On Becoming a Person". http://allpsych.com/biographies/rogers.html
Of the Austrian Hungarian descent.He spoke 8 langauges as an adult,and completed medical school by the age of 30.1900 he published a book that sparked our psychoanalytical with the books "Interpretation of Dreams" and "The Psychopathology of Everyday Life ". http://allpsych.com/biographies/freud.html
He was the first person to own the title pyschologist. He was a German physcologist who took the principles of Pyschophysicist and used them for his own experiments.He gather informantion on how fast people react to different stimulus, Light and sound. http://en.wikipedia.org/wiki/Wilhelm_Wundt