Lazzaro spallanzani discovery

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    Lazaro Spallanzani Discovers Echolocation or Biosonar

    In 1794 Anton Maria Vassalli published Lettere sopra il Sospetto di un Nuovo Senso nei Pipistrelli . . . Con le Risposte dell’Abate Antonmaria Vassalli in Torino (Turin) at the Stamperia Reale in 1794. The 64-page booklet included letters to Vassalli bygd Italian biologist and physiologist Lazaro Spallanzani containing Spallanzani's first description of echolocation, or biosonar.

    Spallanzani published his own small edition of the letters in Pavia a few days or weeks later. Also in 1794 the original letters were reprinted in Pisa in the Giornale dei literrati with the addition of  new letters on echolocation between Spallanzani and Pietro Rossi, Professor at University of Pisa.  A few months later the original letters were reprinted in Milano together with other new letters in the Opuscoli scelti sulle scienze e sulle arti.

    "The problem of obstacle avoidance by fladdermöss flying in the dark is often known to Europ

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    Lazzaro Spallanzani

    Italian priest, biologist and physiologist

    "Spallanzani" redirects here. For other uses, see Spallanzani (disambiguation).

    Lazzaro Spallanzani (Italian pronunciation:[ˈladdzarospallanˈtsaːni]; 12 January 1729 – 11 February 1799) was an Italian Catholic priest (for which he was nicknamed Abbé Spallanzani), biologist and physiologist who made important contributions to the experimental study of bodily functions, animal reproduction, and animal echolocation.[2] His research on biogenesis paved the way for the downfall of the theory of spontaneous generation, a prevailing idea at the time that organisms develop from inanimate matters, though the final death blow to the idea was dealt by French scientist Louis Pasteur a century later.

    His most important works were summed up in his book Experiencias Para Servir a La Historia de La Generación De Animales y Plantas (Experiences to Serve to the History of the Generation of Animals and Plants

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    Lazzaro Spallanzani

    (1729–1799) Italian biologist

    Spallanzani was born at Scandiano in Italy and educated at the Jesuit College, Reggio, before leaving to study jurisprudence at Bologna University. While at Bologna he developed an interest in natural history, which was probably encouraged by his cousin, Laura Bassi, who was professor of physics there. After receiving his doctorate he took minor orders and a few years later became a priest, although he continued to pursue his researches into natural history.

    Spallanzani's most important experiments, published in 1767, questioned John Needham's ‘proof’ 20 years earlier of the spontaneous generation of microorganisms. He took solutions in which microorganisms normally breed and boiled them for 30 to 45 minutes before placing them in sealed flasks. No microorganisms developed, demonstrating that Needham's broth had not been boiled for long enough to sterilize it. Opponents of Spallanzani asserted, however, that he had destroyed a vit