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Kayla Do
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Sir Napier ShawDied 23 Mar 1945 at age 91 (born 4 Mar 1854).Sir (William) Napier Shaw was an English meteorologist who applied his training in mathematics. He studied the upper atmosphere, using instruments carried by kites and highaltitude balloons. He measured (1906) the movement of air in two anticyclones, finding descent rates of 350 and 450 metres per day. He calculated the reduction in pressure due to a certain depression to correspond to the removal of two million million tons of air. He introduced the millibar unit for measurement of air pressure (1000 millibar = 1 bar = 1 standard atmosphere) and the tephigram to illustrate the temperature of a vertical profile of the atmosphere. He also coauthored an early work on atmospheric polluiton, The Smoke Problem of Great Cities (1925).« 