A famous medical person!?

For a school project, I have to chose a person who has made a huge impact on the medical field. The person can be 100 years old our still be living today1 Doesn't necessary have to be on medicine. EX: Thomas edison invented light bulb. It didn't directly help medicine, but without the light bulb, medical... show more For a school project, I have to chose a person who has made a huge impact on the medical field.
The person can be 100 years old our still be living today1
Doesn't necessary have to be on medicine.
EX: Thomas edison invented light bulb. It didn't directly help medicine, but without the light bulb, medical procedures would be tough.

Get it?
If you could list the name, that would be great. Or even a few!
Thanks a bunch!

10 PNTS TO BEST ANSWER!!!!!!!!!!!
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