sentences:  He played a major role on the General Medical Council and in the Nuffield Foundation's Planning Committee (1957–59) that established a new medical school at the then University of Rhodesia, now the University of Zimbabwe.Arnott delivered the 1963 Croonian Lecture at the Royal College of Physicians on "The Lungs in Mitral Stenosis" and was knighted in the 1971 New Year Honours.In 1971 retired from the Chair of Medicine at Birmingham and became head of the Department of Cardiology that the British Heart Foundation had created in Birmingham, holding that post until he finally retired from academic life in 1974.