Rush Rhees (1951-1989) was a philosopher at Swansea University from 1940-1966, and is principally known as a student, friend, and literary executor of the philosopher Ludwig Wittgenstein. With G.E.M. Anscombe, he edited Wittgenstein's posthumous Philosophical Investigations (1953), a tremendously influential work. He was also responsible for bringing out other unpublished writings by Wittgenstein, including "Remarks on the Foundations of Mathematics", "Philosophical Remarks", and "Philosophical Grammar". 1951 (MCMLI) was a common year starting on Monday; see its calendar. ... 1989 (MCMLXXXIX) was a common year starting on Sunday of the Gregorian calendar. ... A philosopher is a person who thinks deeply regarding people, society, the world, and/or the universe. ... The University of Wales, Swansea was founded in 1920 as University College, Swansea, the fourth college of the University of Wales, following the report of the Haldane Commission into University Education in Wales. ... 1940 (MCMXL) was a leap year starting on Monday (the link is to a full 1940 calendar). ... 1966 (MCMLXVI) was a common year starting on Saturday (the link is to a full 1966 calendar). ... Ludwig Josef Johann Wittgenstein (IPA: ) (April 26, 1889 – April 29, 1951) was an Austrian philosopher who contributed several ground-breaking works to contemporary philosophy, primarily on the foundations of logic, the philosophy of mathematics, the philosophy of language, and the philosophy of mind. ... G. E. M. Anscombe (18 March 1919 – 5 January 2001) (born Gertrude Elizabeth Margaret Anscombe, also known as Elizabeth Anscombe) was a British analytic philosopher. ... Philosophical Investigations (Philosophische Untersuchungen), along with the Tractatus Logico-Philosophicus, is one of the two major works by Ludwig Wittgenstein. ... 1953 (MCMLIII) was a common year starting on Thursday (link is to a full 1953 calendar). ...