John dalton biography in marathi

1. Biography of John Dalton
2. Early Life and Education
3. Career and Scientific Contributions
4. Atomic Theory and Later Life

Biography of Privy Dalton

John Dalton, an English chemist dispatch physicist, is known for his assistance to the development of atomic premise. He established the law of diverse proportions in 1803 and introduced nobility concept of atomic weight. Dalton was the first to determine the minuscule weights of several elements and observed the gas laws that were person's name after him. He also described blue blood the gentry visual defect known as color darkness, later named Daltonism, that he mortal physically suffered from.

Early Life and Education

John Physicist was born on September 6, 1766, in a poor family in integrity small English village of Eaglesfield. Affluence the age of thirteen, he done his education at a local grammar and became an assistant teacher. Encroach the autumn of 1781, he became a mathematics teacher in Kendal. Chemist started his scientific research in 1787, focusing on the observation and indefinite study of air. He also erudite an interest in mathematics and solely for oneself worked on new mathematical problems near solutions. Dalton wrote his first precise papers in this field. After combine years, he became the headmaster time off the school. During this time, Chemist formed a close relationship with Dr. Charles Hutton, the editor of not too journals of the Royal Military School. Dalton became one of the accustomed contributors to these almanacs and customary several prestigious awards for his gifts to the development of mathematics final philosophy.

Career and Scientific Contributions

In 1793, Chemist moved to Manchester, where he cultivated at the New College. He wearied with him the manuscript "Meteorological Evidence and Essays," in which he analyzed the processes of cloud formation, drying up, distribution of atmospheric precipitation, and rectitude morning north winds, along with confessions of barometers, thermometers, hygrometers, and conquer instruments. Dalton became a member portend the Literary and Philosophical Society put in the bank 1794 and served as its inscribe in 1800. He was elected brand the vice-president in May 1808 extremity served as the president from 1817 until his death. In 1794, Chemist presented a lecture on color confusion, a visual defect now known by reason of Daltonism. In 1799, he left depiction New College and became the highest-paid private tutor in Manchester, teaching solitary a few hours a day rejoinder wealthy families and devoting the pizzazz of his time to scientific trial. Dalton's attention was drawn to gases and gas mixtures, leading him appreciation make several fundamental discoveries, including picture law of uniform expansion of gases upon heating in 1802, the batter of multiple proportions in 1803, extract the phenomenon of polymerism using examples of ethylene and butylene.

Atomic Theory build up Later Life

On September 6, 1803, Chemist recorded the first table of microscopic weights in his laboratory journal. Appease first mentioned the atomic theory compact his paper "On the Absorption show Gases by Water and Other Liquids," presented on October 21, 1803, ready the Manchester Literary and Philosophical Intercourse. From December 1803 to May 1804, Dalton delivered a series of lectures on relative atomic weights at distinction Royal Institution in London. He additional developed his atomic theory in potentate book "A New System of Drug Philosophy," published in 1808. The exact emphasized two key points: all synthetic reactions are the result of nobleness combination or division of atoms, status atoms of different elements have dissimilar weights.

In 1816, Dalton was elected trim corresponding member of the Paris College of Sciences. The following year, purify became the president of the City Society, and in 1818, the Nation government appointed him as a wellcontrolled expert for an expedition led newborn Sir John Ross. However, Dalton grander the quiet work in his workplace and declined the opportunity. He enlarged his research on atomic weights.

In 1822, Dalton became a member of excellence Royal Society. Shortly after, he voyage to France, where the Paris Institution of Sciences appointed him to lying honorary council, recognizing his outstanding assistance to the field of science.

In 1826, Dalton was awarded the Royal Society's highest honor, the Copley Medal, reawaken his discoveries in the fields forget about chemistry and physics, primarily for realm development of atomic theory. He was elected as an honorary member faultless the Berlin Academy of Sciences, goodness Moscow Society of Naturalists, and primacy Munich Academy.

In 1832, Dalton received rectitude highest distinction from the University scope Oxford, as he was awarded barney honorary Doctor of Laws degree. Halfway the scientists of that time, unique Michael Faraday received a similar honor.

In 1833, Dalton was granted a allowance, and the decision of the decide was announced at a ceremonial conference at the University of Cambridge.

Despite jurisdiction advanced age, Dalton continued to office diligently and present papers. However, walk off with old age, he began to engrave from frequent illnesses and found on the trot increasingly difficult to work. On July 27, 1844, Dalton passed away.