Sir Richard Branson's plan to sell $500m worth of shares in his Virgin Galactic space project has brought the ebullient billionaire back to earth. The British knight’s business empire has been hit at hurricane force on all fronts by Covid-19 — not least his now-grounded Virgin Atlantic airline.

But he must be particularly frustrated that his newest venture — the Virgin Voyages cruise operation — was just getting started as the pandemic swept the world.