Scientists and Inventors

Invented Microsoft

• Jonas Salk

• Louis Pasteur

• Bill Gates

Invented the Mechanical Reaper

• Bill Gates

• Cyrus McCormick

• Louis Pasteur

Invented Polio Vaccine

• Jonas Salk

• Louis Pasteur

• Bill Gates

Invented Pasteurization

• Bill Gates

• Jonas Salk

• Louis Pasteur

Which group of people did Cyrus McCormick’s invention help the most?

• Teachers

• Farmers

• Doctors

Developed the vaccine for Rabies

• Bill Gates

• Louis Pasteur

• Jonas Salk

Chemist and Microbiologist

• Bill Gates

• Louis Pasteur

Discovered that food is spoiled because of contamination by invisible bacteria.

• Louis Pasteur

• Jonas Salk

Invented: Horse-Drawn Machine that helped farmers to cut thresh and bundle grain

• Jonas Salk

• Cyrus McCormick

I discovered germ theory and pasteurization.  I am the reason surgeons sterilize their utensils before operating.

• Louis Pasteur

• Cyrus McCormick