موسوعة العلمـاء و المخترعين .. العلمـاء بالترتيب حسب اسم الشهرة .. الحرف ٢_ج

Encyclopedia of Scientists and Inventors.. Scientists in order according to their nickname.. Letter 2_J

⏹ Jenner Sir William Jenner Sir William

English physician (1815-1898)
Jenner studied at the University of London, then worked as a professor of pathological anatomy at University College.
Jenner was chosen a Fellow of the Royal Society, and he was one of the Queen's physicians · Jenner's fame rests on the studies he made on fevers, which led him to distinguish between thyroiditis and typhus.

⏹ Jessio Antoine Laurent Deh "
Jussieu, Antoine Laurent de

French botanist (1748-1836)
Jesio studied in Paris and authored a treatise titled Genera Plantarum that serves as the basis for the modern classification of plants. Jessio held the position of Professor of Botany at the Museum of Natural History.
He also supervised Paris hospitals during the French Revolution. It is noteworthy that Jessieu is one of the five famous botanists who belong to the same family as Jussieu.

⏹ Jeffreys, Harold Jeffreys,

English Geophysicist ( 1891 - )
Jeffreys studied in Newcastle-on-Tyne and Cambridge, where he later worked as a professor. Jeffreys was an authority on the early history of the Earth and the origin of the solar system. jeans)
On the tidal theory of the formation of the solar system (see Janes, James). Jeffreys estimated the age of this accident to be several thousand million years, based on a study of the orbit of the planet Mercury. He also estimated that the moon was four thousand million years until it took its current position. He also indicated the possibility that the planet Mercury was just a satellite of Venus that was captured by solar gravity to its current location.
Another astronomer (Craig) said this opinion, without a previous connection between the two astronomers on this subject.

⏹ Jake Sir Archibald
Geikie, Sir Archibald

Scottish geologist (1835-1924) ·
Jikie was educated in Edinburgh and worked as an assistant to Marchison, the famous Scottish geologist, while working for the Scottish Geological Survey. Jikie carried out original studies on the glaciation effects in his country, and as a result of his studies, he took over the position of Professor of Geology in Edinburgh • Jiki was chosen as a Fellow of the Royal Society and held the position of Director General of the Geological Survey in the United Kingdom..
Jiki has made continuous efforts to develop the study of rocks with a microscope, and his many travels have qualified him to become an expert in a number of geological phenomena such as volcanoes Jiki presides over the British Society and the Royal Society and has authored a number of exemplary books in geology, including:
The Text book of Geology, published in 1882.

⏹ Geikie, James

Scottish geologist (1839 - 1915)
Learn Jiki in Scotland. He is the brother of Sir Archibald Geeke. He succeeded him as Professor of Geology at Edinburgh, and was elected a Fellow of the Royal Society. Geeke referred to the succession of ice erosion in his important book entitled The Great Ice Age, published in 1894. This idea did not receive proper attention in that it now has a strong scientific basis based on time.

⏹ James, Charles James, Charles

English-American chemist (1880 - 1928)
James studied at University College in London, then moved to America, where he worked as a professor of chemistry at the University of New Hampshire.
James discovered one of the rare earth elements, lutetium, or Lutecium
However, he was late in publishing this for the French chemist Urban Urbain, who won the honor of the discovery.
James was distinguished by his advanced experience in separating rare earth elements from each other.

⏹ James, William James, William

American psychologist (1842-1910)
James studied medicine at Harvard and was taught by Helmholtz and Virchow at Virchow, Berlin.
James worked on the functions of organs (physiology) as he worked in teaching psychology as a laboratory science, and this view was a very pioneering step at that time.
James participated with Lange in formulating a theory of emotion (passion), and this theory bears their names.
James cared about philosophy and became a leader of pragmatism (the practical doctrine or philosophy of excuses. This American philosophy is distinguished by taking practical results as a measure to determine the value and validity of philosophical ideas), and he had a clear impact on pushing American thought. Among James's works are: Principles of Psychology and Varieties of Religious Experience.