The Great Moment
1944
The Great Moment is a 1944 biographical film written and directed by Preston Sturges. Based on the book Triumph Over Pain (1940) by René Fülöp-Miller, it tells the story of Dr. William Thomas Green Morton, a 19th-century Boston dentist who discovered the use of ether for general anesthesia. The film stars Joel McCrea and Betty Field, and features Harry Carey, William Demarest, Franklin Pangborn and Porter Hall. imdb.com