John C. Swallow
(1923-1994)
British oceanographer
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John Crossley Swallow FRS (October 11, 1923 – December 3, 1994) was an English oceanographer who invented the Swallow float (sometimes referred to as a neutral buoyancy float), a scientific drifting bottle based on the messages in bottles that shipwrecked sailors hoped would reach inhabited shores, summoning assistance.
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| Born |
11 October 1923
|
| Died |
3 December 1994 (aged 71)
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| Zodiac | Libra |
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