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Event · Marconi scientists' deaths, 1982–1990

Frank Jennings dies of a heart attack

A Plessey electronic weapons engineer, aged 60; no inquest.

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Mysteries Department. (2026). Frank Jennings dies of a heart attack [Event EVT0DGGES14SVG1]. https://mysteriesdept.com/r/EVT0DGGES14SVG1
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