Frank Cameron Jackson
Frank Cameron Jackson  FBA (born 31 August 1943) is an Australian analytic philosopher and Emeritus Professor in the School of Philosophy (Research School of Social Sciences) at Australian National University (ANU) where he had spent most of the latter part of his career. His primary research interests include  epistemology, metaphysics, meta-ethics and the philosophy of mind. In the latter field he is best known for the "Mary's room" knowledge argument, a thought experiment that is one of the most discussed challenges to physicalism.