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 c language Answer: Dennis Ritchie 2. Who invented Diesel Engine ? Answer: Rudoff Diesel of Germany in 1895 3. Who invented Television ? Answer: John Logie Baird 4. Who invented Open Heart Surgery ? Answer: Dr. Daniel Hale Williams 5. Who invented Neutron ? Answer: JAMES CHADWICK in 1932 6. Who invented Hydrogen bomb ? Answer: Edward Teller 7. Who invented Steam Engine (Condenser) Answer: James Watt of Britain in 1765 Read more from - Important Inventions