A characteristic of contemporary times is that many students – and more than a few scholars – think that the core principles of psychology were developed and validated in the twentieth century, indeed, in their lifetime. Students are often reluctant to read journal articles that are more than a few years old. But this is not just characteristic of the young. In his masterful history of dynamic psychiatry, Henri Ellenberger (1970) wrote that great system builders and theoreticians like Jean-Martin Charcot and Sigmund Freud also suffered from a surprising ahistoricism. He stated, “these men shared an illusion, which has by no means disappeared today, that everything they brought forth was new” (p. 750). This bias can obscure students' views of the wellsprings of modern psychology and cause them to spurn the work of those scholars who laid the foundations of their disciplines.