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334 BCE
Aristotle
All known organisms are either animals or plants This leads to the belief, because without the thought of animals or plants being organisms, then we wouldn’t think of organisms we can’t see. -
Zacharias Jansen
He invented a compound microscope that made it easier and more practical while observing cells. This led to the belief of spontaneous generation, because without a microscope, we wouldn’t be able to see different types of microscopic things that we can’t see with the naked eye. -
Jan Baptist van Helmont
He placed a dirty shirt
With some rice, and claimed that in 21 days, mice will be created. This rejects the belief, because mice will not be created in that way. -
Robert Hooke
He observed living matter through a compound microscope, seeing cork like cells. This leads to the belief, because the cells by looking into a microscope, which later leads to spontaneous generation -
Anton van Leeuwenhoek
Observed bacteria and blood cells through a complex microscope This led to the belief of spontaneous generation, because this allowed us to discover bacteria, which is a part of spontaneous generation. -
Lorenz Oken
All living organisms originate from and consist of cells This led to the belief, because it talks about living organisms -
Matthias Schleiden
Discovered that plants were made of cells This leads to the belief, because with the belief that he had, it leads to the belief that there are other things made of cells. -
Theodor Schwann
All animals are made up of cells This leads to the belief, because with the belief that he had, it leads to creating a microscope to see these cells. -
Albrecht von Roelliker
Sperm cells and egg cells are also cells This leads to the belief, because talks about the sperm and egg cells, which are in different types of organisms. -
Rudolf Virchow
He discovered that cells are the last link in a great chain that forms tissues, organs, systems, and individuals. Where a cell exists, there must have been a preexisting cell. This led to the belief, because it got them to think that if these are also made up of cells, then other things smaller should be made up of them too. -
Robert Brown
Discovered the nucleus This leads to the belief, because it still goes along with the microscope. -
Louis Pasteur
Discovered germ It helped lead to the belief of spontaneous generation, because germs and bacteria is a part of that. -
Svedberg
developed the first analytical ultracentrifuge This leads to the belief, because an ultacentrifuge allows scientists to find biological particles, viruses, organelles, membranes and biomolecules such as DNA, RNA and lipoproteins, which can help with spontaneous generation. -
Werner von Siemens
produced the first electron microscope. This leads to the belief, because the electron microscope will help with spontaneous generation.
