Robert Hooke's Contribution to Science
Robert Hooke discovered the cells in 1665. With the compound microscope he developed, he first checked out a very thin cork. Inside the microscope, he saw a mass amount of tiny pores, and he noticed that they looked like rooms with walls that a monk would live in. With those association of his, it became what we now know--cells.
Robert Hooke invented many things, the most important invention he developed was the compound microscope and the illumination system, which was one of the best microscope at that time.
The other inventions Robert Hooke got invented was not as famous as the compound microscope, but still got credited for was the invention of wheel barometer, hydrometer, and the anemometer.