Student Education Repository (மாணவர்கள் கல்விக் களஞ்சியம்): Today (July 2, 1862) is the Birthday of Sir William Henry Bragg, winner of the Nobel Prize in Physics for his discovery of the structure of crystals and the X-ray spectrum.

Friday, July 2, 2021

Today (July 2, 1862) is the Birthday of Sir William Henry Bragg, winner of the Nobel Prize in Physics for his discovery of the structure of crystals and the X-ray spectrum.

Today (July 2, 1862) is the Birthday of Sir William Henry Bragg, winner of the Nobel Prize in Physics for his discovery of the structure of crystals and the X-ray spectrum.

Sir William Henry Bragg was born July 2, 1862, in Victon, Cumberland, England. He was a Scholarship winner at Trinity College, Cambridge, and was educated at Grand School. In 1884 he graduated as a third person. In 1885 he was awarded the First Class Honorary Award in Mathematical Research. He shared the 1915 Nobel Prize in Physics with his son William Lawrence Bragg for his discovery of the structure of crystals and the development of the X-ray spectrometer. Until 1904, Bragg was head of the physics division of the Australian Society for the Advancement of Science.

His continued work on alpha, beta, and gamma rays led him to send the famous British physicist Ernest Rutherford to the Royal Society. He was elected in 1907, and within a year worked as a professor in Leeds, England, where he considered gamma rays and X-rays to have particle-like properties. In 1912, the German physicist Max von Lau announced that crystals could split X-rays. Thus X-rays should be light-like waves, but with very short wavelengths.

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Bragg and his eldest son, Lawrence, studied physics at Cambridge and then began researching X-rays to study crystal structure. These researchers were jointly awarded the Nobel Prize in Physics in 1915. After World War I, he worked on anti-submarine equipment. Bragg founded the School of Crystal Science Research at University College London, and after the death of Sir James Dewey, a chemist and physicist were appointed Royal Director of the Institute and the Davy Faraday Research Laboratories, London. He attracted many young scientists to these institutions.

Bragg is a renowned science lecturer and writer. He has been President of the Royal Society since 1935. Nobel Prize in Physics (1915), Bernard Medal (1915), Matzi Medal (1915), Rumford Medal (1916), Copley Medal (1930), Faraday Medal (1936), and John J. He has received awards such as the Cardi Award (1939). Nobel laureate Sir William Henry Bragg passed away on March 12, 1942, in London, England at the age of 79.

Source By: Wikipedia

Information: Ramesh, Assistant Professor of Physics, Nehru Memorial College, Puthanampatti, Trichy.