Alfred Adler (1870-1937)
Gordon Allport (1897-1967)
Alfred Binet (1857-1911)
Kenneth Clark (1914-2005)
Charles Darwin (1809-1882)
John Dewey (1859-1952)
Hermann Ebbinghaus (1850-1909)
Erik Erikson (1902-1994)
Gustav Fechner (1801-1887)
Margaret Floy Washburn (1871-1930)
Anna Freud (1895-1982)
Sigmund Freud (1856-1939)
Sir Francis Galton (1822-1911)
G. Stanley Hall (1844-1924)
Karen Horney (1885-1952)
Carl Jung (1875-1961)
William James (1842-1910)
Lawrence Kohlberg (1927-1987)
Abraham Maslow (1908-1970)
Ivan Pavlov (1849-1936)
Jean Piaget (1896-1980)
Carl Rogers (1902-1987)
B. F. Skinner (1904-1990)
Rogert Sperry (1913-1994)
Edward Thorndike (1874-1949)
E. B. Titchener (1867-1927)
Edward Tolman (1886-1959)
John B. Watson (1878-1958)
Mary Whiton Calkins (1863-1930)
Max Wertheimer (1880-1943)
Wilhelm Wundt (1832-1920)
