Presenter David Frost (2nd from left) in London to record for the BBC a programme devoted to four of the world's greatest all-time record breakers, in connection with the Guinness Book of Records. They are Vernon Craig (l), of Wooster, Ohio, fire walker who walks on hot coals of 1494 F, 812 C, Vesna Vulovic (37), the Yugoslavian who survived a 33,330 ft drop without a parachute from an exploded plane, Joseph Kittinger (58) of Orlando, Florida, free-fall parachutist who jumped from a balloon 16.4 miles high and broke the sound barrier, and British explorer Sir Ranulph Fiennes (r) who achieved the quickest crossing of the Antarctic and has the only dog, Bothie, who has lifted a leg on both poles.