Question: The philosopher of whom Rush Reese was literary executor taught at which university?

Context paragraphs:
Selected Letters of Philip Larkin, 1940–1985: The Selected Letters of Philip Larkin, 1940–1985 is a volume of Philip Larkin's personal correspondence, compiled by Anthony Thwaite, one of Larkin's literary executors, and published in 1992 by Faber and Faber, seven years after Larkin's death.  It was followed a year later by "Philip Larkin: A Writer's Life", Larkin's official biography, written by Andrew Motion, Larkin's other literary executor.

Robbie Ross: Robert Baldwin "Robbie" Ross (25 May 18695 October 1918) was a Canadian journalist, art critic and art dealer, best known for his relationship with Oscar Wilde, to whom he was a devoted friend, lover and literary executor.  A grandson of the Canadian reform leader Robert Baldwin, and son of John Ross and Augusta Elizabeth Baldwin, Ross was a pivotal figure on the London literary and artistic scene from the mid-1890s to his early death, and mentored several literary figures, including Siegfried Sassoon.  His open homosexuality, in a period when male homosexual acts were illegal, brought him many hardships.

Rush Rhees: Rush Rhees ( ; 19 March 1905 – 22 May 1989) was an American philosopher.  He 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 highly influential work.  He was also responsible for publishing other works by Wittgenstein, including "Remarks on the Foundations of Mathematics", "Philosophische Bemerkungen", "Philosophical Remarks", and "Philosophical Grammar".  Rhees taught at Swansea University from 1940 to 1966.

Horace Traubel: Horace L. Traubel (1858–1919) was an American essayist, poet, magazine publisher, author, and Georgist.  Traubel was closely associated with the Arts and Crafts movement in the United States and published a monthly literary magazine called "The Conservator" from 1890 until the time of his death.  Although a poet of note in his own right, Traubel is best remembered as the literary executor and biographer of his friend, poet Walt Whitman, with whom he transcribed and compiled nine volumes of daily conversations, entitled "With Walt Whitman in Camden."

Vägmärken: Vägmärken (Markings), published in 1963, is the only book by former UN secretary general, Dag Hammarskjöld.  The journal was discovered after his death, with a covering letter to his literary executor, "a sort of White Book concerning my negotiations with myself - and with God."  After the original Swedish version was published in 1963, the English translation came out in 1964, The translation was done by noted Swedish scholar Leif Sjöberg, and was refined by the poet W. H. Auden, who also wrote a foreword.  This brought the book immediate literary notice, and even a front-page rave in "The New York Times Book Review".  It is highly regarded as a classic of contemporary spiritual literature.

Truman Capote Literary Trust: The Truman Capote Literary Trust is an American charitable trust established in 1994 by Truman Capote's literary executor, Alan U. Schwartz, pursuant to Capote's will.

Pierangelo Garegnani: Pierangelo Garegnani (1930–2011) was an Italian economist and professor of the University of Rome III.  He was the Director of the Fondazione Centro Piero Sraffa di Studi e Documenti at the Federico Caffè School of Economics, and also the literary executor of the works, documents and papers left by the eminent Italian economist Piero Sraffa to the University of Cambridge's Wren Library.  Professor Garegnani has been one of the leading theoretical critics of neoclassical economics.  He has published several books and articles concerning the classical economic theory, from Ricardo to Sraffa, as an alternative theoretical foundation to analyse the capitalist economy.  An account of his contributions was published by the Royal Economic Society.

Of Other Worlds: Of Other Worlds is a 1966 anthology of literary criticism by C. S. Lewis and published posthumously by the executors of his estate.  It was edited by Lewis' secretary and eventual literary executor Walter Hooper.  The first part of the anthology consists of several essays that cover Lewis' ideas about the creation of science fiction or fantasy literature.  "Unreal Estates" is the transcript of a recorded conversation between Lewis and the authors Brian Aldiss and Kingsley Amis that took place in Lewis' rooms in Magdalene College "a short while before illness forced him to retire."  The second part of the book is made up of three of Lewis' science fiction stories (one of which was previously unpublished) and the beginnings of "After Ten Years", an unfinished novel set during the aftermath of the Trojan War.

William Rawley: William Rawley (circa 1588-1667) was the chaplain of several major 17th-century English figures, including the philosopher Francis Bacon, King Charles I, and King Charles II.  In this role, he served as Bacon's literary executor, with the standing and means to preserve many of Bacon's papers and see to the posthumous publication of many of his written works.

Ludwig Wittgenstein: Ludwig Josef Johann Wittgenstein ( ; ] ; 26 April 1889 – 29 April 1951) was an Austrian-British philosopher who worked primarily in logic, the philosophy of mathematics, the philosophy of mind, and the philosophy of language.  From 1929 to 1947, Wittgenstein taught at the University of Cambridge.  During his lifetime he published just one slim book, the 75-page "Tractatus Logico-Philosophicus" (1921), one article, one book review and a children's dictionary.  His voluminous manuscripts were edited and published posthumously. " Philosophical Investigations" appeared as a book in 1953, and has since come to be recognised as one of the most important works of philosophy in the twentieth century.  His teacher Bertrand Russell described Wittgenstein as "the most perfect example I have ever known of genius as traditionally conceived; passionate, profound, intense, and dominating".

Supporting paragraphs: Rush Rhees Ludwig Wittgenstein
Answer: University of Cambridge