Peter Lance Brunnen was a consultant thoracic surgeon to the North East Regional Hospital Board, Scotland. He was born in Rosyth, Scotland, on 19 July 1917. His father, John Ewart Brunnen, was an electrical engineer; his mother, Elsie Victoria Augusta Brunnen née Lance was the daughter of an inspect

John Hayward was a thoracic surgeon based in Melbourne. He was born in East Brunswick, Melbourne, on 16 July 1910. His father, William Isaac Hayward, was a schoolmaster, and his mother, Ellen Grace née Maling, was a nurse. His education was marked at every step by scholarships and prizes. He won a s