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  2. Jan Baptist van Helmont - Wikipedia

    en.wikipedia.org/wiki/Jan_Baptist_van_Helmont

    Jan Baptist van Helmont was the youngest of five children of Maria (van) Stassaert and Christiaen van Helmont, a public prosecutor and Brussels council member, who had married in the Sint-Goedele church in 1567. [4]

  3. Photosynthesis - Wikipedia

    en.wikipedia.org/wiki/Photosynthesis

    Jan van Helmont began the research of the process in the mid-17th century when he carefully measured the mass of the soil a plant was using and the mass of the plant as it grew. After noticing that the soil mass changed very little, he hypothesized that the mass of the growing plant must come from the water , the only substance he added to the ...

  4. Plant physiology - Wikipedia

    en.wikipedia.org/wiki/Plant_physiology

    Jan Baptist van Helmont published what is considered the first quantitative experiment in plant physiology in 1648. He grew a willow tree for five years in a pot containing 200 pounds of oven-dry soil. The soil lost just two ounces of dry weight and van Helmont concluded that plants get all their weight from water, not soil.

  5. Timeline of biology and organic chemistry - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_biology_and...

    Jan Baptist van Helmont performed his famous tree plant experiment in which he shows that the substance of a plant derives from water, a forerunner of the discovery of photosynthesis. 1628 – William Harvey published An Anatomical Exercise on the Motion of the Heart and Blood in Animals

  6. Nicolas Théodore de Saussure - Wikipedia

    en.wikipedia.org/wiki/Nicolas_Théodore_de_Saussure

    Based on his accomplishments in plant chemistry and physiology, Saussure is considered the last of the major early pioneers of photosynthesis research, completing the work begun by his predecessors, including Jan Baptist van Helmont, Joseph Priestley, Jan Ingenhousz, and Jean Senebier. [22]

  7. Franciscus Mercurius van Helmont - Wikipedia

    en.wikipedia.org/wiki/Franciscus_Mercurius_van...

    Franciscus Mercurius van Helmont (baptised 20 October 1614 – December 1698 [3]) was a Flemish alchemist and writer, the son of Jan Baptist van Helmont.He is now best known for his publication in the 1640s of his father's pioneer works on chemistry, which link the origins of the science to the study of alchemy.

  8. History of botany - Wikipedia

    en.wikipedia.org/wiki/History_of_botany

    Antony van Leeuwenhoek is a notable example of an early lens grinder who achieved remarkable ... Jan Helmont (1577–1644) by ... Photosynthesis splits water to ...

  9. Jan van Helmont - Wikipedia

    en.wikipedia.org/wiki/Jan_van_Helmont

    Jan van Helmont (painter) (1650 – after 1714), a Flemish painter Jan Baptist van Helmont (1580 – 1644), a Flemish chemist, physiologist, and physician Topics referred to by the same term