Medical Pioneers
6 reference items
Who discovered penicillin, the world's first effective antibiotic?
A
Alexander Fleming
Explanation
Alexander Fleming discovered penicillin in 1928, which revolutionized treating bacterial infections.
Who developed the first successful smallpox vaccine in 1796?
A
Edward Jenner
Explanation
Edward Jenner used cowpox material to create the first smallpox immunization.
Who developed the process of pasteurization to destroy microbes in milk?
A
Louis Pasteur
Explanation
Louis Pasteur discovered that heat destroys harmful microbes in foods and drinks.
Who discovered the main human blood groups in 1900?
A
Karl Landsteiner
Explanation
Karl Landsteiner identified the A, B, and O blood groups, enabling safe blood transfusions.
Which scientists discovered the double helix structure of DNA?
A
Watson and Crick
Explanation
James Watson and Francis Crick modeled the double-helix DNA structure in 1953.
Who developed the first safe and effective polio vaccine?
A
Jonas Salk
Explanation
Jonas Salk developed the inactivated polio vaccine (IPV) in 1952.