J. A. Ratcliffe
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John Ashworth Ratcliffe CB CBE FRS was an influential British radio physicist.
John Ashworth Ratcliffe, FRS © National Portrait Gallery, London
Physical Society of London
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The Physical Society of London, England, was a scientific society which was founded in 1874. In 1921, it was renamed the Physical Society, and in 1960 it merged with the Institute of Physics, the comb
John Hall Gladstone, the first president of the society.
