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One of the works, probably less known, of Antoine van Leeuwenhoek (1632-1723) is his Arcana naturae detecta (Detected secrets of nature) published in its first edition in 1695. This work is a compilation of 38 letters on scientific issues and it is beautifully illustrated. A notable section of the work is the observation and description for the first time of fermentation yeasts and his experiments on the spontaneous generation of microorganisms.

Secretos detectados de la naturaleza por Antoine van Leeuwenhoek