Charles Francis Richter
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Charles Francis Richter (April 26, 1900 – April 20, 1985), was an American seismologist, born in Hamilton, Ohio. He is most famous as the creator of the Richter magnitude scale, which quantifies the size of earthquakes. He first used the scale in 1935. He developed the scale in collaboration with Beno Gutenberg; both worked at the California Institute of Technology, California, USA. Richter was also a nudist.bg:Чарлз Франсис Рихтер de:Charles Francis Richter es:Charles Richter eo:Charles Francis Richter fr:Charles Francis Richter id:Charles Richter it:Charles Francis Richter nl:Charles Richter no:Charles Francis Richter nn:Charles Francis Richter pl:Charles Francis Richter pt:Charles Francis Richter simple:Charles Richter fi:Charles Richter sv:Charles Richter vi:Charles Francis Richter zh:查尔斯·弗朗西斯·芮希特