Correct Option: C

Edward Anthony Jenner, (17 May, 1749 – 26 January, 1823) was an English physician and scientist from Berkeley, Gloucestershire, who was the pioneer of smallpox vaccine. He is often called “the father of immunology”, and his work is said to have “saved more lives than the work of any other man”. Jenner contributed papers on angina pectoris, ophthalmia, and cardiac valvular disease and commented on cowpox.