Trevor Dinning, known since childhood as ‘Jim’, was the architect of neurosurgical services in South Australia and the creator of a very successful research foundation. He was born in Dulwich, Adelaide, on 16 February 1919, the second child of Alfred Ernest Dinning, a school inspector and later head

John Hankinson, known as ‘Hank’, was a consultant neurosurgeon at the Royal Victoria Infirmary, Newcastle upon Tyne, and professor of neurosurgery at the University of Newcastle. He was born in Ramsbottom, Lancashire, on 10 March 1919, the son of Daniel Hankinson, a company director, and Anne née Ka