Lord Charles Hill; BBC’s “Radio Doctor”

Lord Charles Hill, 85, a former chairman of the British Broadcasting Corp. who became a household name during World War II as “The Radio Doctor.” Hill had a distinguished career in the medical world and as a Conservative cabinet minister before heading the government’s commercial television watchdog, the Independent Broadcasting Authority, in 1963 and taking over the chairmanship of the BBC four years later. It was for his wartime broadcasts as the BBC’s “Radio Doctor,” in which he discussed health problems in lay language, that Hill earned early popularity. In London on Tuesday.