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Aristotle Believes in Spontaneous Generation
Between 384 and 322 BC, Aristotle believed he had evidence for the occurrence of spontaneous generation -
Helmont Reports Spontaneous Generation of Mice
Between 1579 and 1644, Johannes Baptista von Helmont reported spontaneous generation of mice. He believed that mice came when a flask of wheat and old rags was incubated in a warm, dark closet -
Redi Proposes different hypothesis
Francesco Redi, an Italian scientist, proposed a different hypothesis: that maggots came from eggs hat flies laid on the meat -
Belief in Spontaneous Generation
Before 1668, people believed in spontaneous generation. -
John Needham Conducts Boiled Broth Experiments
John Needham, an advocate for spontaneous generation, conducted a series of experiments with boiled broths -
Spallanzani Lays Forth Crucial Experiment
Another Italian scientist, Lazzaro Spallanzani, would lay forth a crucial experiment, a modification of Needham’s experiment -
Pasteur Disproves Hypothesis
Pasteur disproved the hypothesis of spontaneous generation through an experiment