The Greatest Power
Miriam Monroe and John Conrad are two young scientific workers who, independently of each other, have discovered a chemical called exonite. Miriam discovered it while searching for a cure for cancer, while Conrad used it as a basis for a powerful explosive.
- Genre: Drama
- Director: Edwin Carewe
- Cast: Ethel Barrymore, William B. Davidson, Harry Northrup, Frank Currier, William Black
- Country: United States