موسوعة العلمـاء و المخترعين .. العلمـاء بالترتيب حسب اسم الشهرة .. الحرف ر

Encyclopedia of scientists and inventors .. Scientists in order according to the nickname .. the letter R

⏹ Rabbi, Isidor Azak
Rabbi, Isidor Isaac

American physicist of Austrian origin (1898)
Rabi's family moved from Austria to America during his childhood • He received his education in Cornell and Columbia, then in other European universities.
He worked as a professor of physics in Columbia. He worked on magnetism, quantum mechanics and nuclear physics.
He was awarded the Nobel Prize in Physics in 1944 for his research on neutrinos.

⏹ Radcliffe-Brown, Alfred Reginald
Brown Alfred Reginald Radcliffe

British People's Scientist (1881-1955)
Educated Radcliffe-Brown in Cambridge, then
He taught at Capstadt, Sydney, Chicago, and finally at Oxford.
He conducted field studies on the baskets known as Andaman Islanders.
He called for more comparative studies · Cooperated with Malinowski in laying the foundations of modern social science of peoples.

⏹ Al-Razi, Abu Bakr Razi al

Islamic physician and scholar (864-924)
Al-Razi is of Persian origin and was born in the city of Al-Ray, south of Tehran today. He is known in the West as Rhazes.
Al-Razi is considered the greatest physician in the Islamic world, and one of the greatest physicians in the world in general.
He has written many and varied books on logic, metaphysics, theology, psychology, natural sciences, geometry, music and politics, but his main value lies in his medical books, the most important of which is his book Al-Hawi, which is one of the most comprehensive books written by a physician.
Al-Hawi was transferred to Latin, and the translation was reprinted several times since 1486. It had a great influence on European medicine. Al-Hawi is an encyclopedia of medical sciences, containing a summary of the knowledge of the Arabs drawn from Greek, Persian, and Indian sources, and some of the exploits of the Arabs.
One of the most well-known works of al-Razi in medicine was also on smallpox and measles, and it was the first clear statement on these two diseases. This author was printed, after being translated, nearly forty times over the course of four centuries (from 1498 to 1866).

⏹ Raman" Sir Chandra Sekhara Venkata
Raman, Sir Chandrasekhara Venkata

Indian physicist ( 1888 - )
Raman learned at the University of Madras, then worked at the University of Calcutta as a professor of physics, then became the director of the “Indian Scientific Institute” in Bangalore · He was awarded the title of “Knight”, in Britain, and Raman received the Nobel Prize for Physics in 1930, then he became a member of the British Royal Society for his research in dispersion Radiation, frequency (oscillation) and other related topics.
It is known as the Raman effect, that effect related to the oscillation of waves of diffuse light resulting from the collision of light waves with molecules.
In addition to this it has been Raman's contributions to his theory of musical instruments.

⏹Randall, John Tirton
Randall, John Turton

English physicist (1905 - ) ·
Randall learned in Manchester, then worked in the General Electric laboratories, and after that he worked at the universities of Birmingham, St Andrews and London as a professor of physics. He was awarded a Fellowship of the Royal Society. Randall participated with Boot in designing an electric magnetic valve (magnetron) for use in radar to generate very short waves (microwaves) during the last world war and for the benefit of the British government.
Four years after the end of the war, he was awarded a reward of twelve thousand pounds, in appreciation of his efforts in developing the radar.

⏹ Ryle, Martin

British radio astronomer (1918-) ·
Ryle was educated in Bradford, Christchurch and Oxford, then worked at the Cavendish Laboratory: Cambridge, then lectured in Physics He then worked as Director of the Mullard Radio Observatory in Cambridge Received a grant to set up a Radio Observatory Triple Paraboloid where he Use it to determine the star distribution curves. The results obtained by Raleigh contradict the previous results of Hoyle and Bondi, who claim the steady state of the universe, as Raleigh found that the universe is in a state of continuous expansion.

⏹ Riley, John William Stratt, Lord
Rayliegh, John William Strutt, Lord

English physicist and mathematician (1842-1919).
Reilly learned at Trinity College and Cambridge .. Then he worked as a professor of experimental physics and then natural philosophy at the Royal Institution · Appointed «Secretary» of the Royal Society • Reilly discovered in cooperation with Ramsay the element argon (which is an inert gas) • Received the Nobel Prize for Physics in 1904 for him Important studies, disclosures and results in optics, photography and electricity.
Reilly obtained the membership of the "owners of merit."

⏹ Richardson, Sir Owen Willans
Richardson, Sir Owen Willians

British physicist (1879-1959) ·
Richardson studied at Cambridge, then worked as a professor of physics at Princeton and King's College in London.
He emerged as a physicist because of his important research on electrical emissions from hot bodies. Emissions from hot bodies.
He called this phenomenon a name: Thermoionics.
He was chosen as a Fellow of the Royal Society · He won the Nobel Prize for Physics in 1928. He wrote a thousand books on the electronic theory of bodies, as well as the emission of electrons from hot bodies.