Michael Salz was an orthopaedic surgeon in Plymouth. He was born in Breslau, Germany, the only child of an eminent lawyer. He was sent to St John’s College, Cambridge, in 1935, and the family moved to England in 1938. From Cambridge Michael went to the Middlesex Hospital for his clinical studies, an

Dennis Henry George Walker was born in Thames Ditton, Surrey, on 17 January 1917, the eldest son of Thomas Presland Walker, a bank official and Edith Mildred Walker, née Passey. He attended Clare House School, Beckenham, Kent, and Eltham College, Mottingham. He studied medicine at King's College and