In 1595 Zacharias Janssen invented the compound microscope.
In 1663 Robert Hooke discovered the first cell. The first cell was discovered when Hooke saw the dead cell walls of a plant and he decided to name each compartment.
In 1674 Anton van Leeuwenhoek was the first person to view a live cell under a microscope.
In 1809 Charles-Francisco Brisseau de Mirbel was the first to recognize that each plant is inside a continuous membrane.
Thedor Schwan proposed that all living things are composed of cells and cell products.
In 1838 Matthias Jakob Schleiden also proposed that all living things are made of cells and cell products.
IN 1855 Rudolph Virchow declared that all living cells arise from other living cells.
Discovery: Sir Alexander Fleming discovered mold growing on a contaminated staphylococcus culture plate after returning home from a two week vacation. Sir Alexander Fleming did experiments on the mold. This was the first step in creating a cure from mold.
Name of Medicine: Penicillin
How it Works: Penicillin works by destroying bacteria that causes infections in your body.