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Towards safer waters: sharks out, swimmers in
  1. Paul Morrish
  1. Correspondence to Dr Paul Morrish, Department of Neurology, Gloucestershire Hospitals NHS, Beacon House, Great Western Road, Gloucester GL1 3NN, UK; paul.morrish{at}

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I was given this memorable paper (How To Swim With Sharks: A Primer*) by an American cardiology trainee in 1982 and it has been an occasional guide ever since. The author is given as ‘Voltaire Cousteau’1 though appears to have been Richard J Johns, a Professor of Biomedical Engineering at Johns Hopkins University and Hospital, Baltimore. It may be a complete coincidence that many of his other publications are neurological.

The key lessons are these:

  1. Nobody wants to swim with sharks but some may have to; learning how gives a …

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  • * Professor Johns hints that he was a descendant of Voltaire and ancestor of Jacques Cousteau.

  • Competing interests None.

  • Provenance and peer review Not commissioned; internally peer reviewed.

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