• Thumbnail for Jan Ingenhousz
    Jan Ingenhousz FRS (8 December 1730 – 7 September 1799) was a Dutch-British physiologist, biologist and chemist. He is best known for discovering photosynthesis...
    12 KB (1,277 words) - 22:04, 29 September 2024
  • 6324. ISSN 2575-6524. S2CID 104357320. Ingenhousz, Jan (1998) [1780]. "To Benjamin Franklin from Jan Ingenhousz, 5 December 1780". In Oberg, Barbara B...
    63 KB (8,360 words) - 13:42, 24 September 2024
  • commercial product. In a description of the use of the eudiometer by Jan Ingenhousz to show photosynthesis, a biographer observed, "The history of the use...
    12 KB (1,214 words) - 15:37, 11 October 2024
  • Thumbnail for Photosynthesis
    carbon into biomass per year. Photosynthesis was discovered in 1779 by Jan Ingenhousz. He showed that plants need light, not just air, soil, and water. Photosynthesis...
    109 KB (11,779 words) - 23:18, 7 September 2024
  • ultraviolet light. The process of photosynthesis was discovered by Jan Ingenhousz, a Dutch-born British physician and scientist, first publishing about...
    32 KB (3,689 words) - 06:01, 25 April 2024
  • Thumbnail for Eudiometer
    salubrity of the air. The eudiometer with the nitrous air test was the way Jan Ingenhousz verified that the bubbles given off under water by plant leaves exposed...
    10 KB (1,282 words) - 03:33, 10 November 2023
  • Thumbnail for Heat transfer
    824–829. 1701. doi:10.1098/rstl.1700.0082. Ingenhousz, Jan (1998) [1780]. "To Benjamin Franklin from Jan Ingenhousz, 5 December 1780". In Oberg, Barbara B...
    66 KB (8,490 words) - 11:18, 7 October 2024
  • our atmosphere." Priestley's experiments were further evaluated by Jan Ingenhousz, a Dutch physician, who then showed that the "restoration" of air only...
    8 KB (865 words) - 02:09, 7 June 2024
  • Thumbnail for Ethylene
    where he reports that Jan Ingenhousz saw ethylene synthesized in the same way by a Mr. Enée in Amsterdam in 1777 and that Ingenhousz subsequently produced...
    36 KB (3,227 words) - 13:14, 9 October 2024
  • driving consideration. In a 1774 letter to Dutch-born British scientist Jan Ingenhousz, Benjamin Franklin relates an experiment by another British scientist...
    75 KB (7,983 words) - 16:17, 12 October 2024
  • Thumbnail for 1799
    August 31 – Nicolas-Henri Jardin, French architect (b. 1720) September 7 Jan Ingenhousz, Dutch physician, physiologist, biologist, and chemist (b. 1730) Louis...
    25 KB (2,965 words) - 17:35, 11 October 2024
  • Thumbnail for Brownian motion
    describes and explains the Brownian movement by a wrong example". While Jan Ingenhousz described the irregular motion of coal dust particles on the surface...
    55 KB (7,130 words) - 12:54, 1 October 2024
  • he welcomed visitors including Benjamin Franklin, Joseph Priestley, Jan Ingenhousz, and Henry Cavendish (the discoverer of hydrogen). Michell wrote to...
    29 KB (3,669 words) - 09:17, 26 August 2024
  • Doodle. On December 8, 2017, Google celebrated the 287th birthday of Jan Ingenhousz with a Doodle. On January 29, 2018, Google celebrated Taiwanese singer...
    95 KB (9,272 words) - 01:59, 10 October 2024
  • Thumbnail for Conservatory (greenhouse)
    innovation may have been influenced by the work of Dutch scientist Jan Ingenhousz, who studied the role of light in photosynthesis. However, while his...
    13 KB (1,393 words) - 13:40, 26 September 2024
  • Thumbnail for Jean Senebier
    researcher Jan Ingenhousz demonstrated that the bubbles of gas observed by Bonnet on submerged leaves consisted of this same gas. Ingenhousz also published...
    15 KB (1,488 words) - 19:06, 24 July 2024
  • Thumbnail for Electrostatic generator
    at Leipzig, substituted a leather cushion for the hand. During 1746, Jan Ingenhousz invented electric machines made of plate glass. Experiments with the...
    34 KB (4,290 words) - 14:18, 9 October 2024
  • Thumbnail for Thornhill, West Yorkshire
    attracted Benjamin Franklin (founding father of the USA), Joseph Priestley, Jan Ingenhousz, John Smeaton and others to a scientific meeting and overnight stay...
    14 KB (1,574 words) - 20:32, 16 June 2024
  • Thumbnail for Timeline of thermodynamics
    deprecates the phlogiston theory and proposes a caloric theory 1784 – Jan Ingenhousz describes Brownian motion of charcoal particles on water 1791 – Pierre...
    29 KB (3,239 words) - 22:36, 9 April 2024
  • Thumbnail for Calne
    oxygen in 1774; there is a plaque in the town centre commemorating this. Jan Ingenhousz repeated Joseph Priestley's experiments and found it was sunlight which...
    45 KB (5,350 words) - 03:52, 18 August 2024
  • August 25 – John Arnold, English watchmaker (born 1736) September 7 – Jan Ingenhousz, Dutch physiologist (born 1730) October 6 – William Withering, English...
    10 KB (968 words) - 16:50, 16 June 2024
  • 1724 – Claude Balbastre, French organist and composer (d. 1799) 1730 – Jan Ingenhousz, Dutch physician, physiologist, and botanist (d. 1799) 1731 – František...
    60 KB (5,787 words) - 02:45, 25 September 2024
  • Thumbnail for History of botany
    discovery of oxygen (as now called) and its production by plants. Later, Jan Ingenhousz (1730–1799) observed that only in sunlight do the green parts of plants...
    101 KB (11,561 words) - 05:22, 28 September 2024
  • Christiaan), scientific instrument maker, technological chronicler Jan Ingenhousz (1730–1799), physiologist, botanist and physicist. Zacharias Janssen...
    44 KB (5,235 words) - 18:05, 24 September 2024
  • demonstrated the activity of a photosynthetic reaction center. In 1779, Jan Ingenhousz carried out more than 500 experiments spread out over 4 months in an...
    22 KB (2,799 words) - 15:34, 26 September 2024
  • Thumbnail for Nicolas Théodore de Saussure
    the work begun by his predecessors, including Jan Baptist van Helmont, Joseph Priestley, Jan Ingenhousz, and Jean Senebier. For the several decades following...
    20 KB (2,133 words) - 09:12, 13 September 2024
  • Thumbnail for Joseph Priestley
    discovery that would eventually lead to the discovery of photosynthesis by Jan Ingenhousz. Priestley also developed a "nitrous air test" to determine the "goodness...
    126 KB (14,669 words) - 13:33, 22 September 2024
  • Huygens (1955) Philips Huygens, brother of Christiaan Huygens (1955) Jan Ingenhousz, physician & botanist (1941) Princess Irene of the Netherlands, princess...
    13 KB (1,604 words) - 01:23, 30 January 2024
  • Thumbnail for South West England
    astronomer from Gloucestershire, who discovered the aberration of light. Jan Ingenhousz, the Dutch biologist, discovered photosynthesis in 1779 at Bowood House...
    178 KB (17,381 words) - 08:05, 10 October 2024
  • Thumbnail for 18th century
    invented by Samuel Miller 1779: Photosynthesis was first discovered by Jan Ingenhousz 1781: William Herschel announces discovery of Uranus 1784: Bifocals...
    45 KB (4,779 words) - 17:42, 15 September 2024