This Concept Map, created with IHMC CmapTools, has information related to: Education Philosophy, Berkeley 1685-1753 C.E. philosophy Lock didn't go far enough. All we experience is only our perception of what is out there. There is a real world, but what we know of it is only our perception, Realism represented by Whitehead 1861-1947 C.E., Philosophy of Education as expressed in Postmodernism, Royce 1855-1916C.E. philosophy Exponent of Hegelian Idealism.