This was the advertisement in Kingston’s Chronicle and Gazette, which ran on October 20th, 1841, heralding the arrival of Mr. Williams. His visit to Kingston came near the end of his illustrious career in quackery, preceded by nearly forty years of travelling in Europe and the United States, treating patients and selling his so-called miracle cure for blindness. … More The Story of John Williams the Oculis and his career in quackery