John Wedgwood Graham, the son of John Machefer Graham, a farmer and grazier, and of Ivy Maud (née Wedgwood), a descendant of Charles Darwin and Josiah Wedgwood, was born on 1 June 1921 at Narrabri, New South Wales. His grandfather, John Bass Graham, was a medical graduate from Dublin who practised i

Charles Raymond Helsby was born on 13 February 1921 in St Helens, Lancs, the son of a local businessman, Frederick Johnson Helsby and his wife Emily, née Cawley. Following the local infant school he attended Merchant Taylors' School in Crosby and went on to the Liverpool Medical School. He qualified