We have found the following answer for: Nova Scotian William Knapp Buckley devised a widely used antitussive meaning a drug used against this. This clue was last seen on Final Jeopardy February 19 2024 TV-Show. The solution we’ve got for the New York Times Clue of the Day has a total of 8 Letters. For older Final Jeopardy Questions and Answers I strongly recommend you to visit the archive page by clicking here.