|Born||March 04, 1854
Birmingham, England, UK
|Died||March 23, 1945
|Known for||Millibar Tephigram|
Sir William Napier Shaw FRS, (March 4, 1854 - March 23, 1945), was a British meteorologist. He introduced the air pressure unit millibar, as well as the tephigram, a diagram of temperature changes.
Shaw was born in Birmingham. He studied at the University of Berlin and the University of Cambridge. At the latter institution, he later, between 1877 and 1906, taught physics. In 1891, he was elected to the Royal Society.  In 1915 he was knighted, and in 1923 he was awarded a Royal Medal.
In 1909, he introduced the millibar unit, which was internationally adopted in 1929. In 1915, he developed the tephigram. Shaw also studied air pollution, publishing his book The Smoke Problem of Great Cities in 1925.
Shaw died in London.
- Gold, E. (1945). "William Napier Shaw. 1854-1945". Obituary Notices of Fellows of the Royal Society 5 (14): 203. doi:10.1098/rsbm.1945.0013.
- "Obituary Notice: Shaw, William Napier". Monthly Notices of the RAS 106 (1): 35–37. 1946. Bibcode:1946MNRAS.106...35.
- Burton, J. (2004). "William Napier Shaw Father of modern meteorology?". Weather 59 (11): 307. doi:10.1256/wea.45.04.
- Addison, Henry Robert; Oakes, Charles Henry; Lawson, William John; Sladen, Douglas Brooke Wheelton (1907). "SHAW, William Napier". Who's Who, 59: pp. 1591–1592.
- "Shaw, William Napier". New International Encyclopedia. 1905.
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