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Anton van Leeuwenhoek
He was a businessman and scientist. He was the first to experiment with microbes and to observe living cells. -
Robert Hooke
He was a scientist and architect. He was the first to visualize a microorganism with a microscope. -
Robert Brown
He was a botanist. He discovered the nucleus of cells. -
Matthias Schleiden
He was a botanist. He stated that all plants are composed of cells. It was the first to formulate the principle of biology with Schwann. -
Theodor Schwann
He was a physiologist. He described the plant cell and proposed a cell theory that he was sure that it was the key to the anatomy and growth of plants, and the extension of cell theory to animals.
https://en.wikipedia.org/wiki/Schwann_cell -
Rudolf Virchow
He was a doctor and physician. He introduced the third dictum in cell theory: Omnis cellula e cellula ("All cells come from cells"). -
Santiago Ramón y Cajal
He was a doctor. He developed a revolutionary new theory that began to be called the "neuron doctrine," based on the fact that brain tissue is made up of individual cells.
https://www.youtube.com/watch?v=pBd7AJk1drY -
Theodor Boveri
He was an embryologist. He investigated the role of the nucleus and cytoplasm in embryonic development. -
Walter Sutton
He was a doctor. He developed the theory that the Mendelian laws of inheritance could be applied to chromosomes at the cellular level. -
Lynn Margulis
She was a biologist. She considered one of the main figures in the field of biological evolution, regarding the origin of eukaryotic cells.
https://www.youtube.com/watch?v=eCWwKrJyKxA
