Owner of I-5's 'Uncle Sam' billboard dies at 84 Man's right-wing messages enraged some drivers Associated Press November 12, 2004 CURTIS, Wash. – Alfred Hamilton, whose billboard emblazoned with conservative messages engaged drivers on Interstate 5 for decades, has died. Hamilton, 84, suffered from Parkinson's disease and cancer. He died Tuesday at his home in this southwestern Washington town. His two-sided "Uncle Sam" billboard dates back to 1971. Over the years, it has carried a litany of messages aimed at politicians Hamilton didn't like as well as homosexuals, Russia, abortion, communism, big government, the United Nations and gun control, to...