David Malet Armstrong was born in 1926 in Melbourne, Australia. He studied philosophy at the University of Sydney before going to Oxford, taking the recently established B. Phil. degree in 1954. He taught briefly at Birkbeck College, London, before returning to Australia to teach at the University of Melbourne. He succeeded J.L. Mackie in Anderson’s chair at Sydney in 1964, where he taught until his retirement in 1991. He died in 2014.