-
1430
Printing
One of the most important discoveries -
Anesthesia
Horace Wells (inventor)
Nitrous oxide -
Telephone
Antonio Santi Giuseppe Meucci -
Light bulb
Thomas Edison and Josephn Swan patented the first light bulb in 1879 and 1880 -
Vaccinations
Edward Jenner used the smallpox virus vaccine to protect against the disease
Louis Pasteur developed a rabies vaccine in 1885 -
Rocket
Robert Hutchings Goddard -
Penicillin
It was discovered accidentally
They became the silver bullet for a large number of previously deadly diseases. -
Pill
Social revolution started
