1.
Known as the Father of Medicine and created an early code of medical ethics
2.
Used microscopes to become one of the first people to observe bacteria and microorganisms
3.
Developed the world's first successful smallpox vaccine
4.
Invented the stethoscope
5.
First woman to earn a medical degree in the United States
6.
Known as the Lady with the Lamp and helped improve nursing and hospital sanitation
7.
Helped prove germ theory and developed the process of pasteurization
8.
Identified the bacteria responsible for diseases such as tuberculosis
10.
Developed psychoanalysis and studied the unconscious mind
12.
Discovered the double-helix structure of DNA
13.
Founded the American Red Cross and was known as the "Angel of the Battlefield"
14.
Became famous for successfully separating conjoined twins joined at the back of the head
15.
Pioneering pediatrician known for practicing medicine for more than 70 years
16.
Helped develop the artificial heart
