Former Michigan pathologist Dr. Jack Kevorkian claims to have assisted in the suicides of more than 130 terminally ill people between 1990 and 1998. He served eight years in prison for second-degree murder after he administered a lethal injection himself.Dr. Jack Kevorkian, the notorious advocate of physician-assisted suicide for terminally ill patients who became a household name in the 1990s by practicing what he preached and in so doing inflamed the nationwide debate over a patient's right to die, died early Friday.