Since psychology is such a vast field with various schools of thoughts, thus the notion of "influencial" would be a subjective one if we had to come up with 10 names. Hana's list more or less covers those that are largely popular and have been greatly influencial in the development of psychology. read more
The techniques used by Rogers are considered influential still, and he is considered one of the most famous clinicians of the 20th century. Alfred Kinsey: If you think about the psychology of sex, you have to know about Alfred Kinsey. read more
Sigmund Freud is one of the most famous psychologists, and he is famous for his work with the id, ego and super-ego. Psychoanalysis is the school of psychology that Freud is given credit for founding. He developed a number of theories that relate to the unconscious mind and how people repress certain unpleasant aspects of their lives. read more