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David Warren
David Warren dies at 85; inventor of the 'black box' flight data recorder

David Warren, an Australian scientist who invented the flight data recorder famously known as the "black box" to help investigate aircraft accidents, died Monday in a Melbourne nursing home. He was 85. Australian defense officials announced the death but did not state the cause. Warren, whose father was killed in a plane crash in 1934 in Australia, was a research scientist at the Aeronautical Research Laboratories in Melbourne. He came up with the idea of a crash-proof and fireproof machine to record the crew's voices and instrument readings after helping investigate the mysterious crash of a Comet commercial jetliner in India in 1953. In 1956 Warren designed and built the...

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