William F. Buckley Jr., the conservative columnist, humorist, and well-loved literary character, died today at his Connecticut home. He was 82. Though he suffered from diabetes and emphysema, the cause of his death is so far unknown, according to his son Christopher. The New York Times has already posted their lengthy obituary of the National Review founder. He died while seated at his desk in the study of his home. “He might have been working on a column,” his son said.