Cell Theroy

Zacharias Janssen invented the compound microscope.
http://www.history-of-the-microscope.org/images/Zacharias-Jansen.jpg

Robert Hooke was the first person to describe cells. He also made in microscope that could look at cells. He named cells after looking at a cork under the microscope because the looked like little. He noticed that the juicy cells were living cells.
Robert Hooke was the first person to describe cells. He also made in microscope that could look at cells. He named cells after looking at a cork under the microscope because the looked like little. He noticed that the juicy cells were living cells.
Robert Hooke was the first person to describe cells. He also made in microscope that could look at cells. He named cells after looking at a cork under the microscope because the looked like little. He noticed that the juicy cells were living cells.
https://upload.wikimedia.org/wikipedia/commons/thumb/1/19/Jan_Baptist_van_Helmont_portrait.jpg/170px-Jan_Baptist_van_Helmont_portrait.jpg

Anton made his own microscope and used one of his microscope to look at pond scum. He saw small organisms in the water that he sampled and name these organisms animalcules which means little animals. Today single-celled organisms are called protists. Anton's all differences when he looked at blood from different animals. He also was the first person to see bacteria under a microscope. He saw that the yeast used to make bread was also a single cell organism
http://www.findingdulcinea.com/docroot/dulcinea/fd_images/features/profiles/v/anton-van-leeuwenhoek/features/0/image.jpg

Matthias studied plants and found that all plant parts were made of cells.
http://s4.thingpic.com/images/65/Zgc6TzFMxySvw7niT95UXBbm.jpeg

Theodor Schwann and Matthias Schleiden wrote "All organisms are made of one or more cells" and "The cell is the basic unit of all living things" in Cell Theory. Rudolph Virchow wrote "All cells come from existing cells" in Cell Theory
http://images.wookmark.com/157470_abstract-cells-2560x1600-wallpaper_www.wall321.com_62.jpg

Theodor studied animals and found that all animal tissues are made of cells. Theodor wrote the first two parts of what is now known as the cell theory.
https://cdn.shopify.com/s/files/1/0895/0864/products/pg4079_1024x1024.jpeg?v=1452021704

Rudolph Virchow, a doctor, said that cells could only be made from other cells and added this to the cell theory.
https://upload.wikimedia.org/wikipedia/commons/9/9c/Rudolf_Virchow_NLM3.jpg