Francesco Redi
Francesco Redi (
February 18/
19,
1626–
March 1,
1697) was an Italian
physician. Born in
Arezzo,
Tuscany,to a family of nobility, 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 six jars and divided them into three pairs. In the first, he put an unknown object. In the second, a dead
fish, and in the third jar he put a raw chunk of
veal. He then took another three jars, putting the same things in them. Redi divided these jars into two groups; each group consisting of three jars with three different things. Redi took one group of jars, and covered the tops with
gauze so air can get it, but nothing else can. He left the other group of jars open. He waited for several days, and saw that maggots appeared on the objects in the open jars, on which flies had been able to land, but not on the gauze-covered jars, on which no flies had access to.
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Francesco Redi
Francesco Redi
Francesco Redi (*
18./
19. Februar 1626 in
Arezzo; †
1. März 1697 in
Pisa) war ein
italienischer Arzt.Er wurde bekannt durch sein Experiment im Jahr 1668, das einer der ersten Schritte zur Widerlegung der
Abiogenese (Generatio spontanea, Urzeugung) war. Zu jener Zeit glaubte man, dass Maden von selbst in verwesendem Fleisch entstehen. In seinem Experiment nahm Redi drei Töpfe und füllte sie mit Fleisch. Einen Topf schloss er vollständig ab. Den zweiten Topf ließ er offen und den dritten Topf bedeckte er mit
Gaze. Maden erschienen nur in dem offenen, aber nicht in dem verschlossenen Topf. Auf der Gaze des dritten Topfs fand er (sich entwickelnde) Maden.
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Francesco Redi
Francesco Redi