Article Detail Who invented Vitamin D ? Answer: Edward Mellanby discovered Vitamin D while researching a disease called rickets in 1922 Similar Questions : 1. Who invented Piano ? Answer: Bartolomeo Cristofori 2. Who invented CT scan ? Answer: Hounsfield by Britain in 1973. 3. Who invented Vaccine of Rabies ? Answer: Louis Pasteur of France in 1885 4. Who invented by Electric Lamp ? Answer: Thomas Alva Edison of U.S.A. in 1879 5. Who invented Ballistic missile ? Answer: Wemher von Braun of Germany in 1944. 6. Who invented Helicopter ? Answer: Igor Sikorsky 7. Who invented Stethoscope ? Answer: Laennec of French in 1819. Read more from - Important Inventions