Francesco Redi
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Francesco Redi (February 18/19, 1626–March 1, 1697) was an Italian physician
Born in Arezzo, Tuscany, he is most well-known for his experiment in 1668 which is regarded as one of the first steps in refuting "spontaneous generation" - a theory also known as Aristotelian abiogenesis. At the time, prevailing wisdom was that maggots formed naturally from rotting meat. In the experiment, Redi took three jars and put meat in each. He tightly sealed one, left one open, and covered the top of another with gauze. He waited for several days, and saw that maggots appeared on the meat in the open jar, but not in the sealed one, and maggots did not hatch on the gauze covered jar, even though they did appear (because the flies landed on it).
He continued his experiments by capturing the maggots and waiting for them to hatch, which they did, becoming common flies. Also, when dead flies or maggots were put in sealed jars with meat, no maggots appeared, but when the same thing was done with living flies, maggots did appear.
Redi was also a poet, his best known work being Bacchus in Tuscany.
A crater on Mars was named in his honor.
