Copyright, Designs and Patents Act 1988

So that revenue stream would disappear for the hospital.

And Callaghan was involved in the Copyright Designs and Patents Act, which became law in 1988, which included a specific legal carve-out so that the copyright and the ability to benefit from that copyright in the UK would not expire for Peter Pan and Great Ormond Street Hospital, but would continue.

Somewhat oddly, events that actually superseded that law, because as part of European Union harmonization, the period of time for which copyright survived somebody's death was extended to 70 years.

And that meant that the law was temporarily no longer needed.