Elected F.R.S. 1953
Henry Barcroft (H.B.) was born on 18 October 1904 at 92 Chesterton Road, Cambridge. He was the first son of Joseph Barcroft (J.B.), later Professor Sir Joseph Barcroft, C.B.E., F.R.S., and Mary Agnetta (Minnie) Ball (M.A.B.), whom he had married in 1903. He had one brother, Lt.-Col. Robert Ball Barcroft, born in 1909, and no sisters. Both of his parents had distinguished ancestors.