biography
| name: |
Fleming, John A(dam)
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| sex:
| male
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| lived:
| (1877–1956)
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| biography:
| Geophysicist, born in Cincinnati, Ohio, USA. He joined the Department of Terrestrial Magnetism of the Carnegie Institution of Washington, DC (1904), became its director (1910–46), and continued to serve as an adviser in international scientific relations after his retirement. During his directorship, he designed geomagnetic observatories in Huancayo, Peru, Watheroo, Australia, and Kensington, MD. He took charge of the Institution's World War 2 contracts dealing with radio communications, ordnance devices, magnetic instruments, and ionospheric research. He expanded the field of geomagnetism by inventing or modifying geomagnetic instruments, designing isomagnetic world charts, and contributing to research in solar and lunar physics. |
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