Changes

** Ph.D. 1979 University of Wisconsin-Madison

*** Thesis: [http://www.worldcat.org/oclc/6988064 Mind and space from Kant to Helmholtz: the development of the empiristic theory of spatial vision]

** [https://philosophy.sas.upenn.edu/faculty/hatfield Website], [http://www.sas.upenn.edu/~hatfield/vita14nr.pdf CV], [http://philpapers.org/profile/63802 PhilPapers]

** Specialties: history of philosophy of biology, perception, neuroscience and psychology