John Carver Meadows Frost (1915–1979), British aircraft designer for the Avro Aircraft Company amongst others
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John K. Frost (1922–1990), cytopathologist at Johns Hopkins Hospital
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Along with John Frost and William Jones, he led a large column of men from the Nantyglo area to march south reaching the outskirts of the town Newport at about 9am; halting at St. Woolos church, then moving as a mass to Stow Hill, continuing to the square, and on to the Westgate Hotel, Newport.