David Worthington Atkinson was a consultant urologist in the north east Thames region. He was born in Chinley, Derbyshire, the son of John Atkinson, an industrial chemist, businessman and former captain in the Army during the First World War, and Florence Mary Atkinson née Worrall. His sister, Anne

Leonard Norman Allen ('Len') was a urological surgeon at Edgware General Hospital, Middlesex. He was born in the village of Brede, Sussex, on 30 April 1929, the youngest son of Norman Williams Allen and Mildred Kathleen Allen née Hoad. His father, a much-respected member of the local community, was