The famous Racine farm emblazoned with the message "Study Natural Law" is no longer technically owned by the Lawsonomist cause, and its followers have dwindled from thousands to just one man. But this one man refuses to let Alfred Lawson and his ideas become a forgotten footnote in the history books. Merle Hayden, an active 93-year-old devotee, is at the center of the documentary "The Last of the Lawsonomists."