Coniston Water per hour () in "Blue Bird K4". Between 1956 and 1959 Sir Malcolm's son Donald Campbell set four successive records on the lake in "Bluebird K7", a hydroplane. In 1966 Donald Campbell decided that he needed to exceed 300 miles per hour (483 km/h) in order to retain the record. On 4 January 1967, he achieved a top speed of over 320 miles per hour () in "Bluebird K7" on the return leg of a record-breaking attempt. He then lost control of "Bluebird", which somersaulted and crashed, sinking rapidly. Campbell was killed instantly on impact when decapitated by the K7's
John H. P. Marks for United Press International in Lisbon. John H. P. Marks John Hugo (Edgar) Puempin Marks, who wrote under the name John H. P. Marks (1908-1967) was a British journalist and translator from French and Spanish, the first to translate works by Céline into English. Marks was educated at the Irish College in Gibraltar, the French lycée in Madrid, Aldenham School and Magdalene College, Cambridge. Marks, an aficionado of bull-fighting, was a journalist for "The Times" and the BBC. In the 1930s he edited "Night and Day" with Graham Greene, until a libel action ended the journal in 1937. At one