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Francessco Redi
Proved that spontaneously arose from rotten meat -
Pier Antonio Micheli
Fungus did not arrive from spontaneous generations -
John Needham
Performed experiments from boiled broths believing that boiling will kill all living things, and also showing that when sealed right after boiling the broths would cloud allowing the belief in spontaneous generation to persist. -
Lazzaro Spallanzani
Tested whether the growth of spontaneous generations required air. -
Charles Cagniard de la Tour & Theodor Schwann
Suggested that fermentation would not occur when sterile air or pure oxygen was introduced if yeast were not present -
Pasteur's flask experiment
Lous pasteur created a flask that was linked with a open tube with a very minimal hole allowing minmal ammounts of oxygen to flow in, so microbs should spawn inside and live within the flask according to spontaneous generation but this didn't happen.