-
Aristotle claffified animals by how complex their inner organs and systems are.
-
Considered to be the "founder of Pneumatic Chemistry."
-
Invented the compound optical miroscope with Hand Janssen. This made it easier and more practical to observe cells.
-
The compound microscope was invented.
-
Robert Hooke discovered cells. He discovered thwm while looking at a piece of cork, This was the biggest contribution to the cell theory bevause without Hooke Cells may not have been discovered for hundreds of more years.
-
One of the first people to observe bacteria cells, which contributed to finding organisms with one cell. He also built and improved telescopes.
-
He believed that there were tiny units of life called infusoria that make up the human skin, bones, and organs.
-
Contributed to the cell theory by showing that all living thungs are made of one or more cells. He discovered the cell nucleus while looking at a plant cell.
-
His researches and texts in histology were pioneer contributons to the cell theory.
-
Theodor Schwann discovered the cell theory.
-
Louis Pasteur disproved spontaneous generation. He was the first scientist to prove that cells can only come from pre-existing cells.
-
Stated that the only source for a cell to be produced is from another cell.Published a book titled "Every cell originates from another existing cell like it."
-
Matthias Schleiden is the co-founder of the cell theory.He contributed to the cell theory by publishing a book about leaves being composed by cells.
