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Jan Baptist van Helmont

Jan Baptist van Helmont
Portrait of van Helmont by Mary Beale
Born12 January 1580[a]
Brussels, Spanish Netherlands
(present-day Belgium)
Died30 December 1644(1644-12-30) (aged 64)
Vilvoorde, Spanish Netherlands
(present-day Belgium)
EducationUniversity of Leuven
Known forPneumatic chemistry
Scientific career
FieldsChemistry, physiology, medicine
Academic advisorsMartin Delrio[1]

Jan Baptist van Helmont[b] (/ˈhɛlmɒnt/ HEL-mont,[2] Dutch: [ˈjɑm bɑpˈtɪst fɑn ˈɦɛlmɔnt]; 12 January 1580[a] – 30 December 1644) was a chemist, physiologist, and physician from Brussels. He worked during the years just after Paracelsus and the rise of iatrochemistry, and is sometimes considered to be "the founder of pneumatic chemistry".[3] Van Helmont is remembered today largely for his 5-year willow tree experiment, his introduction of the word "gas" (from the Greek word chaos) into the vocabulary of science, and his ideas on spontaneous generation.

  1. ^ Walter Pagel, Joan Baptista Van Helmont: Reformer of Science and Medicine, Cambridge University Press, 2002, p. 10 n. 17.
  2. ^ "Helmont". Random House Webster's Unabridged Dictionary.
  3. ^ Holmyard, Eric John (1931). Makers of Chemistry. Oxford: Oxford University Press. p. 121.


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