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Cell theory timeline
8 months ago
8 months ago
Robert Hooke 1665 Hooke is the person to use the word cell to describe the room like structures inside a piece of cork.
Francesco Redi 1668 Redi and Italian physician demonstrates that the presence of maggots in putrefying meat is not the result of spontaneous generation
Anton Van Leeuwenhoek-1673 Van Leeuwenhoek a Dutch scientist was the first person to observe and describe single-celled organisms, which he called animalcules.
John Needham-1745 Needham is noted for his theory of spontaneous generation and his scientific evidence that supported his theory.
Lazzaro Spallanzani-1767 Spallanzani an Italian priest who argued against spontaneous generation. He conducted an experiment similar to Needham, that ended with contradicting results to Needham.
Robert Brown-1833 Brown is the first to discover the nucleus within the plant cell.
Theodor Schwann-1839 Schwann is one half of a pair of scientists who proclaim that "cells are the building blocks of life." Also known as the cell theory. Schwann studies animal cells
Matthias Schleiden-1839 Schleiden is the other half of the scientists who proclaim that "Cells are the building of life." also known as the Cell Theory. Schleiden studies plant cells.
Louis Pasteur-1855 Pasteur a French biologist who is best known for his discovery of the principles of vaccination. In 1855 he made a series of flacks with long twisted necks in which he boiled broth, as an experiment to disprove spontaneous generation.
Rudolf Virchow-1858 Virchow after extensive study of cellular pathology concluded that cells must arise from pre-existing cells.
All organisms are composed of one or more cells. (Schleiden & Schwann 1838-39)
The cell is the basic unit of life in all things. (Schleiden & Schwann 1838-39)
All cells are produced by the division of pre-existing cells.(Virchow 1857)
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