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Sir John Anthony Carroll KBE FRSE FRAS (8 January 1899 – 2 May 1974) was a British astronomer and physicist. In the 1920s he worked at the Solar Physics Observatory, Cambridge, UK with F.J.M. Stratton and Richard van der Riet Woolley. He made major technological advances, inventing a high resultion spectrometer, and (with C G Fraser) a ''coronal camera''. ==Life== He was born near Manchester〔https://homepages.abdn.ac.uk/npmuseum/Scitour/Carroll.pdf〕 and educated at King's School in Chester, before winning a scholarship to Cambridge University in 1917.〔https://www.royalsoced.org.uk/cms/files/fellows/biographical_index/fells_indexp1.pdf〕 However, he decided to postpone Cambridge, and instead enlisted for service in the First World War, finding an interesting role in the Royal Aircraft Establishment in Farnborough, to serve doing applied aeronautical science alongside George Paget Thomson.〔https://homepages.abdn.ac.uk/npmuseum/Scitour/Carroll.pdf〕 Returning to Cambridge after the war he graduated MA and then continued as a postgraduate, receiving a PhD from Imperial College in 1924. He next travelled to California to work at the Mount Wilson Observatory with Robert Millikan for two years. Aged only 30 he received the post of Professor of Natural Philsophy at Aberdeen University. He was elected a Fellow of the Royal Society of Edinburgh in 1931. His interest in solar eclipses and especially the sun's corona during an eclipse, led to several foreign expeditions for observation purposes: including Norway, Malaya, Canada and a politically complex trip to Omsk in Siberia in 1936. Sadly, a 1947 eclipse expedition to Brazil resulted in the loss of three staff due to a plane crash near Dakar in West Africa crash.〔https://homepages.abdn.ac.uk/npmuseum/Scitour/Carroll.pdf〕〔http://adsabs.harvard.edu/full/1975QJRAS..16..100S〕 He was knighted in 1953 thereafter being known as Sir John Carroll.〔https://www.royalsoced.org.uk/cms/files/fellows/biographical_index/fells_indexp1.pdf〕 From 1964 to 68 Carroll was Professor of Astronomy at Gresham College, London.〔https://shasurvey.wordpress.com/england/cambridgeshire/〕 He suffered a heart attack in 1972 and spent the final two years of his life in ill health. He died on 2 May 1974.〔http://adsabs.harvard.edu/full/1975QJRAS..16..100S〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「John Carroll (astronomer)」の詳細全文を読む スポンサード リンク
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