Zatopek Here -- Emil Zatopek, the Czech triple Olympic champion, and world's 10,000 metres record holder, waves to the welcome he received on his arrival at London Airport this afternoon with his wife, Dana, who is carrying a bouquet presented to her on behalf of the London Athletic Club. They are to compete in the Prague team against London at White City tomorrow night. Star Czech distance runner Emil Zatopek and his wife Dana, herself an outstanding athlete, smilingly acknowledge greetings fr