John Prince Hopewell, a consultant urological surgeon at the Royal Free Hospital, London, was a pioneer in the introduction of dialysis into the UK and the development of kidney transplantation. He was born on 1 December 1920, the fourth child and only son of Samuel Hopewell and Wilhelmina ('Daisy')

Humphrey Walter Gowland was born in 1918 in Dunedin, New Zealand, the second son of Percy Gowland, who later became the eminent Professor of Anatomy at Otago Medical School. He was educated at first in Dunedin and later at Waitaki College where he had a distinguished international athletic career. H

Martyn was born in London on 6 August 1935. His father, Sir Clement Price Thomas, was surgeon to King George VI, President of the BMA, the Association of Surgeons, the Royal Society of Medicine and Vice-President of the College. His mother was Dorrie Ricks. He was educated at Leighton Park and then

Ivor Alwyne Sewell studied medicine at King's College Hospital, qualifying MB BS in 1955. A lecturer in surgery at Westminster Hospital Medical School at the start of his career, he then became senior registrar in surgery at Glasgow Royal Infirmary. He was awarded a PhD for research into the microci