Louis Pasteur was an influential French scientist renowned for pioneering the principles of vaccination, fermentation, and pasteurization.
Anandi Gopal Joshi was an Indian physician, social reformer, and women's rights activist, who became the first Indian woman to receive a degree in medicine.
Georgios Papanikolaou was a Greek physician and researcher who revolutionized medicine with the invention of the Pap smear, a crucial cervical cancer diagnostic tool.