Learn more about Jean Piaget from this website. The site is dedicated to the study of human knowledge and development.

This website from the Nobel e-Museum provides information on the 1950 recipient of the Nobel Prize in Literature, Earl (Bertrand Arthur William) Russell (1872-1970 CE), an author who was honored for his "varied and significant writings...

This is an excellent resource on the life and work of the Swiss educational psychologist Jean Piaget (1896-1980).

This encyclopedia entry provides an extensive discussion on Plato's Ethics and his attempt to create a philosophy of achieving the highest aim of moral thought and conduct.

"The basic reason for this international attention was the unquestionable fact that Piaget was the founding father of a branch of psychology that tries to unravel the mysteries of the human mind, how it grows and how it comes to know."...

This long encyclopedia entry describes what is known about the life and philosophy of Plato (born ca. 427 BCE), the author of the Republic. ?The Catholic Encyclopedia? is a historic reference source and should be viewed in the context of...