Background
Braithwaite was born in Banbury, Oxfordshire, son of the historian of early Quaker history, William Charles Braithwaite.
Braithwaite was born in Banbury, Oxfordshire, son of the historian of early Quaker history, William Charles Braithwaite.
He was educated at Sidcot School, Somerset (1911-1914), and Bootham School, York, 1914-1918.
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. As a conscientious objector in the First World War, he served in the Friends" Ambulance Unit.
He entered King"s College, Cambridge, in 1919 to study physics and mathematics, gaining a Bachelor in 1923 and Master of Arts in 1926.
He was a Fellow of King"s College, Cambridge from 1924 to 1990. He was appointed Cambridge University Lecturer in Moral Sciences in 1928.