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Robert Hooke
Robert Hooke was the first scientist to discover cells using a homemade microscope. He could observe many different organsims like insects, sponges, bryozoans, foraminifera, and bird feathers.His most famous observation was of a piece of cork where he had thin piece of it placed the cork under the microscope and saw little spaces contained inbetween by walls and called them cells. He called them cells because of they reminded him of the compartments that the monks lived in. -
Antony van Leeuwenhoek
Antony van Leeuwenhoek made microscope magnification greater than Hooke from 50x to 250x. He was first to look at living cells because of higher magnification he first could see bacteria, sperm cells, blood cells, and much more. His discoveries opened up microspocic life to other scienctist. He was also considered the first to observe single-celled organisms known as prokaryotes. -
Henri Dutrochet
Henri Dutrochet made one of the most fundamental views of modern cell theory by declaring that "the cell is the fundamental element of organization". He also confirmed the connection between animal and plant cells. Dutrochet further contributed to cell theory by making the discovery of osmosis which is a process that molecules of a solvent pass thorugh a membrane from a less concentrated solution into a more concentrated solution. -
Felix Dujardin
Dujardin was a French biologist, cytologist, and a professor of botany and zoology.From his studies of infusoria it led him to the discovey of protozans, one-celled animals, which he called Rizopoda (meaning "rootfeet"). Also he saw in cells the presence of internal substance in all living cells and found it was similar to each other. Dujardin was the first to state that cells were not hollow and described about the jellylike material in animal cells and termed it as sarcode. -
Matthias Jakob Schleiden
Matthias's hobby of botany became his full-time profession even though he practiced law in Hamburg. Instead of being like other contemporary bontanist who had an emphaisis on classification, Schlediden preffered to study plant structures under a microscope. While studying plants under a microscope he came to the conclusion that all plant tissues were made of cells. Schleiden and Schwann are both creditied with the cell theory because both contributed to important parts to the theory. -
Theodor Schwann
Theodor Schwann was a German physiologist who saw the cell as a basic unit of animal struture. Matthias Jakob Schledien and Schwann are both credited with finding cell theory, Schledien on cells in plants and Schwann on cells in animals. Shwann examined animal tissue specifically on development in tadpoles and from his observations he recognized similar sturctures to what Schledin observed in plants. He extened cell theory to animals that all living things are composed of other living things. -
Rudolf Carl Virchow
Rudolf Carl Virchow found a fundamental concept of cell theory that each cell comes from another cell this was actually made by Francois-Vincent Rapail but was made popular by Virchow.This rejected the concept of spontaneous generation .Virchow’s research at Würzburg helped to establish the concept of cellular pathology, the idea that all diseases are caused by changes in normal cells.