Richard Rudolf Walzer, FBA (14 July 1900, Berlin – 16 April 1975, Oxford) was a German-born British expert on Greek philosophy.
Education: Werner-Siemens-Realgymnasium, Berlin-Schöneberg; Frederick William University of Berlin.
Assistant (1927), Privatdocent in Classics (1932), Frederick William University of Berlin, 1927–1933Lecturer in Greek Philosophy, University of Rome, 1933–1938Lecturer in Mediaeval Philosophy (Arabic and Hebrew) (1942), Senior Lecturer in Arabic and Greek Philosophy (1950), Oriel College, Oxford, 1942–1962Honorary Professor, University of Hamburg, 1952Member, Institute for Advanced Study, Princeton University, 1953–1954Fellow, Reader in Arabic and Greek Philosophy St Catherine's College, Oxford, 1962–1970He was elected a Fellow of the British Academy in 1956. 