William Bullock was born in Toxteth, Liverpool, on 6 October 1908, the son of Albert Edward Bullock, an engineer. He was educated at Liverpool Collegiate School before entering the University of Liverpool Medical School. He qualified in 1932 with first class honours and subsequently served in junior

Joseph Arthur Russell Johnson was born on 30 December 1913 and his early education was at King Edward VII School in Birmingham, where he was a foundation scholar. He entered Birmingham University for his medical studies, graduating in 1936 and subsequently serving as house officer in his teaching ho

John Bulman was born on 5 March 1911, in Burnopfield, Co Durham, the second child and first son of Harrison Francis Bulman, a mining engineer, and of his wife Norah (née Jones). His uncle was Beresford Jones, FRCS, surgeon to the Kent and Canterbury Hospital. After preparatory school in Warwicksh