Richard Bevan Braithwaite FBA , usually cited as R. B. Braithwaite, was an English philosopher who specialized in the philosophy of science, ethics, and the philosophy of religion. He was a lecturer in moral science at the University of Cambridge from 1934 to 1953, then Knightbridge Professor of Moral Philosophy there from 1953 to 1967. He was president of the Aristotelian Society from 1946 to 1947, and was elected a Fellow of the British Academy in 1957.
