Peter Cadogan , 86, British writer and anti-nuclear campaigner. 19. John Straffen , 77, British murderer, Britain’s longest serving prisoner (56 years), natural causes. 20. Ian Smith , 88, Rhodesian politician, Prime Minister (1964-1979). 22. Reg Park , 79, British bodybuilder, Mr. Universe (1951), skin cancer. —– Verity Lambert , 71, British