John Flavell Coales CBE, FRS (14 September 1907 – 6 June 1999) was a British physicist and engineer.
[1] Coales graduated in 1929 from Sydney Sussex College, Cambridge and joined the British Admiralty, working in the experimental department of the Signal School, Portsmouth.
That year he left the Admiralty and became director of the Elliot Brothers research laboratory.
In 1928-9, as an undergraduate he co-founded The Round,[3] the Cambridge University English Country Dancing Club.
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