Tatarkiewicz, Wladislaw - http://www.fmag.unict.it/~polphil/PolPhil/Tatar/Tatar.html Leading 20th-century Polish aesthetician.
Eli Siegel, founder of Aesthetic Realism: Library & Lectures - http://www.elisiegelcollection.net Eli Siegel explained that aesthetics is central not only to art but the sciences. Underlying science, art, & the human self are the philosophic opposites they have in common.