1. Gabriel Fallopius
Identified the fallopian tubes in females (1523–1562).

3. Bartolomeo Eustachio
Identified the eustachian tube leading from the ear to the throat 1563

5. Gabriel Fahrenheit
Created the first mercury thermometer 1724

7. Used disinfectants and antiseptics during surgery to prevent infection; between 1883 and 1897
Joseph Lister

9. Louis Pasteur
Pasteurizing of milk to kill bacteria; 1862

11. Invented the microscope; around 1674
Anton van Leewenhoek

13. Florence Nightingale
Founder of modern nursing; 1844 entered nursing; founded first nursing school 1860

15. The Lamp of Learning