Sandra Hempel

The Medical Detective

John Snow, Cholera And The Mystery Of The Broad Street Pump

The book cover for The Medical Detective

A cholera patient experimenting with remedies. Coloured etching by R.I. Cruikshank, [1832?]. 1831 and an unknown killer from the other side of the world arrives on the Sunderland quayside. The death toll from cholera will reach 100,000 before the disease is done.

One man, a reclusive genius called John Snow, works out how to stop it spreading and in so doing lays the foundations for the scientific investigation of today's fatal plagues. But no one will believe him.

John Bull defending Britain against the invasion of cholera; comparing the Reform Bill to the cholera epidemic. Coloured lithograph, c. 1832. The Medical Detective draws extensively on nineteenth-century medical, political and personal records to chart a huge medical breakthrough as well as chronicling the race to stop the deaths.

  • "Riveting"

    The Sunday Times

  • "Beautifully documented, highly informative and a pleasure to read"

    The Times Literary Supplement

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